diff --git a/.gitignore b/.gitignore
index 523115e..2f296cc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,6 @@ out
 !.vscode/extensions.json
 !.vscode/launch.json
 !.vscode/tasks.json
+
+# Integration test temporary files
+syntaxes/test/.temp
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a19b66a..59e8c81 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,22 @@ The format is based on [Keep a Changelog], and this project adheres to [Semantic
 [Keep a Changelog]: https://keepachangelog.com/en/1.0.0/
 [Semantic Versioning]: https://semver.org/spec/v2.0.0.html
 
+## Unreleased
+
+### Changed
+
+- Improved syntax highlighting for network rules and modifiers [#93], [#120], [#131], [#137].
+
+### Fixed
+
+- Highlighting for cosmetic rules modifiers [#134], [#151].
+
+[#120]: https://github.com/AdguardTeam/VscodeAdblockSyntax/issues/120
+[#131]: https://github.com/AdguardTeam/VscodeAdblockSyntax/issues/131
+[#134]: https://github.com/AdguardTeam/VscodeAdblockSyntax/issues/134
+[#137]: https://github.com/AdguardTeam/VscodeAdblockSyntax/issues/137
+[#151]: https://github.com/AdguardTeam/VscodeAdblockSyntax/issues/151
+
 ## [2.1.4] (prerelease) - 2025-12-26
 
 ### Added
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 33c72f1..27e891e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -6,21 +6,6 @@ settings:
 
 catalogs:
   default:
-    '@adguard/aglint':
-      specifier: ^4.0.0-beta.3
-      version: 4.0.0-beta.3
-    '@adguard/agtree':
-      specifier: ^2.3.0
-      version: 2.3.0
-    '@adguard/changelog-tools':
-      specifier: ^0.0.1
-      version: 0.0.1
-    '@rspack/cli':
-      specifier: ^1.6.7
-      version: 1.6.7
-    '@rspack/core':
-      specifier: ^1.1.7
-      version: 1.6.7
     '@types/fs-extra':
       specifier: ^11.0.4
       version: 11.0.4
@@ -30,141 +15,45 @@ catalogs:
     '@types/plist':
       specifier: ^3.0.5
       version: 3.0.5
-    '@types/resolve':
-      specifier: ^1.20.6
-      version: 1.20.6
-    '@types/semver':
-      specifier: ^7.7.1
-      version: 7.7.1
-    '@types/vscode':
-      specifier: ^1.74.0
-      version: 1.99.0
-    '@typescript-eslint/eslint-plugin':
-      specifier: ^7.5.0
-      version: 7.18.0
-    '@typescript-eslint/parser':
-      specifier: ^7.5.0
-      version: 7.18.0
-    '@vitest/coverage-v8':
-      specifier: ^4.0.15
-      version: 4.0.15
     '@vitest/expect':
       specifier: ^4.0.15
       version: 4.0.15
-    '@vscode/vsce':
-      specifier: ^3.7.1
-      version: 3.7.1
+    chalk:
+      specifier: ^5.6.2
+      version: 5.6.2
     chokidar:
       specifier: ^5.0.0
       version: 5.0.0
-    ci-info:
-      specifier: ^4.3.1
-      version: 4.3.1
-    cross-env:
-      specifier: ^10.1.0
-      version: 10.1.0
-    debounce:
-      specifier: ^3.0.0
-      version: 3.0.0
-    eslint:
-      specifier: 8.57.1
-      version: 8.57.1
-    eslint-config-airbnb-base:
-      specifier: ^15.0.0
-      version: 15.0.0
-    eslint-config-airbnb-typescript:
-      specifier: ^18.0.0
-      version: 18.0.0
-    eslint-plugin-boundaries:
-      specifier: ^5.3.1
-      version: 5.3.1
-    eslint-plugin-import:
-      specifier: ^2.32.0
-      version: 2.32.0
-    eslint-plugin-import-newlines:
-      specifier: ^1.4.0
-      version: 1.4.0
-    eslint-plugin-jsdoc:
-      specifier: ^61.5.0
-      version: 61.5.0
-    eslint-plugin-n:
-      specifier: ^17.23.1
-      version: 17.23.1
     fast-glob:
-      specifier: ^3.3.3
+      specifier: 3.3.3
       version: 3.3.3
     fs-extra:
       specifier: ^11.3.1
       version: 11.3.2
-    husky:
-      specifier: ^9.1.7
-      version: 9.1.7
-    jsdoc:
-      specifier: ^4.0.5
-      version: 4.0.5
-    lint-staged:
-      specifier: ^16.2.7
-      version: 16.2.7
-    markdownlint:
-      specifier: ^0.40.0
-      version: 0.40.0
-    markdownlint-cli:
-      specifier: ^0.46.0
-      version: 0.46.0
-    mkdirp:
-      specifier: ^3.0.1
-      version: 3.0.1
-    ovsx:
-      specifier: ^0.10.7
-      version: 0.10.7
     plist:
       specifier: ^3.1.0
       version: 3.1.0
-    preferred-pm:
-      specifier: ^4.1.1
-      version: 4.1.1
-    resolve:
-      specifier: ^1.22.11
-      version: 1.22.11
     rimraf:
       specifier: ^6.1.2
       version: 6.1.2
-    semver:
-      specifier: ^7.7.3
-      version: 7.7.3
+    tar:
+      specifier: ^7.5.6
+      version: 7.5.6
     tsc-files:
       specifier: 1.1.4
       version: 1.1.4
-    tsx:
-      specifier: ^4.21.0
-      version: 4.21.0
-    typescript:
-      specifier: ^5.9.3
-      version: 5.9.3
     valibot:
       specifier: ^1.2.0
       version: 1.2.0
     vitest:
       specifier: ^4.0.15
       version: 4.0.15
-    vscode-languageclient:
-      specifier: 10.0.0-next.15
-      version: 10.0.0-next.15
-    vscode-languageserver:
-      specifier: 10.0.0-next.13
-      version: 10.0.0-next.13
-    vscode-languageserver-textdocument:
-      specifier: ^1.0.12
-      version: 1.0.12
     vscode-oniguruma:
       specifier: ^2.0.1
       version: 2.0.1
     vscode-textmate:
       specifier: ^9.3.0
       version: 9.3.0
-    vscode-uri:
-      specifier: ^3.1.0
-      version: 3.1.0
     yaml:
       specifier: ^2.8.2
       version: 2.8.2
@@ -388,9 +277,15 @@ importers:
       '@vitest/expect':
         specifier: 'catalog:'
         version: 4.0.15
+      chalk:
+        specifier: 'catalog:'
+        version: 5.6.2
       chokidar:
         specifier: 'catalog:'
         version: 5.0.0
+      fast-glob:
+        specifier: 'catalog:'
+        version: 3.3.3
       fs-extra:
         specifier: 'catalog:'
         version: 11.3.2
@@ -400,6 +295,9 @@ importers:
       rimraf:
         specifier: 'catalog:'
         version: 6.1.2
+      tar:
+        specifier: 'catalog:'
+        version: 7.5.6
       tsc-files:
         specifier: 'catalog:'
         version: 1.1.4(typescript@5.9.3)
@@ -1002,6 +900,10 @@ packages:
     resolution: {integrity: sha512-O8jcjabXaleOG9DQ0+ARXWZBTfnP4WNAqzuiJK7ll44AmxGKv/J2M4TPjxjY3znBCfvBXFzucm1twdyFybFqEA==}
     engines: {node: '>=12'}
 
+  '@isaacs/fs-minipass@4.0.1':
+    resolution: {integrity: sha512-wgm9Ehl2jpeqP3zw/7mo3kRHFp5MEDhqAdwy1fTGkHAwnkGOVsgpvQhL8B5n1qlb01jV3n/bI0ZfZp5lWA1k4w==}
+    engines: {node: '>=18.0.0'}
+
   '@jridgewell/resolve-uri@3.1.2':
     resolution: {integrity: sha512-bRISgCIjP20/tbWSPWMEi54QVPRZExkuD9lJL+UIxUKtwVJA8wW1Trb1jMs1RFXo1CBTNZ/5hpC9QvmKWdopKw==}
     engines: {node: '>=6.0.0'}
@@ -2117,6 +2019,10 @@ packages:
   chownr@1.1.4:
     resolution: {integrity: sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==}
 
+  chownr@3.0.0:
+    resolution: {integrity: sha512-+IxzY9BZOQd/XuYPRmrvEVjF/nqj5kgT4kEq7VofrDoM1MxoRjEWkrCC3EtLi59TVawxTAn+orJwFQcrqEN1+g==}
+    engines: {node: '>=18'}
+
   ci-info@2.0.0:
     resolution: {integrity: sha512-5tK7EtrZ0N+OLFMthtqOj4fI2Jeb88C4CAZPu25LDVUgXJ0A3Js4PMGqrn0JU1W0Mh1/Z8wZzYPxqUrXeBboCQ==}
 
@@ -3655,6 +3561,10 @@ packages:
     resolution: {integrity: sha512-qOOzS1cBTWYF4BH8fVePDBOO9iptMnGUEZwNc/cMWnTV2nVLZ7VoNWEPHkYczZA0pdoA7dl6e7FL659nX9S2aw==}
     engines: {node: '>=16 || 14 >=14.17'}
 
+  minizlib@3.1.0:
+    resolution: {integrity: sha512-KZxYo1BUkWD2TVFLr0MQoM8vUUigWD3LlD83a/75BqC+4qE0Hb1Vo5v1FgcfaNXvfXzr+5EhQ6ing/CaBijTlw==}
+    engines: {node: '>= 18'}
+
   mkdirp-classic@0.5.3:
     resolution: {integrity: sha512-gKLcREMhtuZRwRAfqP3RFW+TK4JqApVBtOIftVgjuABpAtpxhPGaDcfvbhNvD0B8iD1oUr/txX35NjcaY6Ns/A==}
 
@@ -4452,6 +4362,10 @@ packages:
     resolution: {integrity: sha512-ujeqbceABgwMZxEJnk2HDY2DlnUZ+9oEcb1KzTVfYHio0UE6dG71n60d8D2I4qNvleWrrXpmjpt7vZeF1LnMZQ==}
     engines: {node: '>=6'}
 
+  tar@7.5.6:
+    resolution: {integrity: sha512-xqUeu2JAIJpXyvskvU3uvQW8PAmHrtXp2KDuMJwQqW8Sqq0CaZBAQ+dKS3RBXVhU4wC5NjAdKrmh84241gO9cA==}
+    engines: {node: '>=18'}
+
   terminal-link@2.1.1:
     resolution: {integrity: sha512-un0FmiRUQNr5PJqy9kP7c40F5BOfpGlYTrxonDChEZB7pzZxRNp/bt+ymiy9/npwXya9KH99nJ/GXFIiUkYGFQ==}
     engines: {node: '>=8'}
@@ -4859,6 +4773,7 @@ packages:
   whatwg-encoding@3.1.1:
     resolution: {integrity: sha512-6qN4hJdMwfYBtE3YBTTHhoeuUrDBPZmbQaxWAqSALV/MeEnR5z1xd8UKud2RAkFoPkmB+hli1TZSnyi84xz1vQ==}
     engines: {node: '>=18'}
+    deprecated: Use @exodus/bytes instead for a more spec-conformant and faster implementation
 
   whatwg-mimetype@4.0.0:
     resolution: {integrity: sha512-QaKxh0eNIi2mE9p2vEdzfagOKHCcj1pJ56EEHGQOVxp8r9/iszLUUV7v89x9O1p/T+NlTM5W7jW6+cz4Fq1YVg==}
@@ -4965,6 +4880,10 @@ packages:
   yallist@4.0.0:
     resolution: {integrity: sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==}
 
+  yallist@5.0.0:
+    resolution: {integrity: sha512-YgvUTfwqyc7UXVMrB+SImsVYSmTS8X/tSrtdNZMImM+n7+QTriRXyXim0mBrTXNeqzVF0KWGgHPeiyViFFrNDw==}
+    engines: {node: '>=18'}
+
   yaml@2.8.2:
     resolution: {integrity: sha512-mplynKqc1C2hTVYxd0PU2xQAc22TI1vShAYGksCCfxbn/dFwnHTNi1bvYsBTkhdUNtGIf5xNOg938rrSSYvS9A==}
     engines: {node: '>= 14.6'}
@@ -5509,6 +5428,10 @@ snapshots:
       wrap-ansi: 8.1.0
       wrap-ansi-cjs: wrap-ansi@7.0.0
 
+  '@isaacs/fs-minipass@4.0.1':
+    dependencies:
+      minipass: 7.1.2
+
   '@jridgewell/resolve-uri@3.1.2': {}
 
   '@jridgewell/sourcemap-codec@1.5.5': {}
@@ -6708,6 +6631,8 @@ snapshots:
   chownr@1.1.4:
     optional: true
 
+  chownr@3.0.0: {}
+
   ci-info@2.0.0: {}
 
   ci-info@4.3.1: {}
@@ -8597,6 +8522,10 @@ snapshots:
 
   minipass@7.1.2: {}
 
+  minizlib@3.1.0:
+    dependencies:
+      minipass: 7.1.2
+
   mkdirp-classic@0.5.3:
     optional: true
 
@@ -9538,6 +9467,14 @@ snapshots:
       readable-stream: 3.6.2
     optional: true
 
+  tar@7.5.6:
+    dependencies:
+      '@isaacs/fs-minipass': 4.0.1
+      chownr: 3.0.0
+      minipass: 7.1.2
+      minizlib: 3.1.0
+      yallist: 5.0.0
+
   terminal-link@2.1.1:
     dependencies:
       ansi-escapes: 4.3.2
@@ -10106,6 +10043,8 @@ snapshots:
 
   yallist@4.0.0: {}
 
+  yallist@5.0.0: {}
+
   yaml@2.8.2: {}
 
   yauzl-promise@4.0.0:
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 6d11720..2da08f6 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -5,24 +5,24 @@ packages:
   - syntaxes
   - tools
   - test/static/aglint
-
 catalog:
-  '@adguard/aglint': ^4.0.0-beta.3
-  '@adguard/agtree': ^2.3.0
-  '@adguard/changelog-tools': ^0.0.1
-  '@rspack/cli': ^1.6.7
-  '@rspack/core': ^1.1.7
-  '@types/fs-extra': ^11.0.4
-  '@types/node': ^20.19.26
-  '@types/plist': ^3.0.5
-  '@types/resolve': ^1.20.6
-  '@types/semver': ^7.7.1
-  '@types/vscode': ^1.74.0
-  '@typescript-eslint/eslint-plugin': ^7.5.0
-  '@typescript-eslint/parser': ^7.5.0
-  '@vitest/coverage-v8': ^4.0.15
-  '@vitest/expect': ^4.0.15
-  '@vscode/vsce': ^3.7.1
+  "@adguard/aglint": ^4.0.0-beta.3
+  "@adguard/agtree": ^2.3.0
+  "@adguard/changelog-tools": ^0.0.1
+  "@rspack/cli": ^1.6.7
+  "@rspack/core": ^1.1.7
+  "@types/fs-extra": ^11.0.4
+  "@types/node": ^20.19.26
+  "@types/plist": ^3.0.5
+  "@types/resolve": ^1.20.6
+  "@types/semver": ^7.7.1
+  "@types/vscode": ^1.74.0
+  "@typescript-eslint/eslint-plugin": ^7.5.0
+  "@typescript-eslint/parser": ^7.5.0
+  "@vitest/coverage-v8": ^4.0.15
+  "@vitest/expect": ^4.0.15
+  "@vscode/vsce": ^3.7.1
+  chalk: ^5.6.2
   chokidar: ^5.0.0
   ci-info: ^4.3.1
   cross-env: ^10.1.0
@@ -35,7 +35,7 @@ catalog:
   eslint-plugin-import-newlines: ^1.4.0
   eslint-plugin-jsdoc: ^61.5.0
   eslint-plugin-n: ^17.23.1
-  fast-glob: ^3.3.3
+  fast-glob: 3.3.3
   fs-extra: ^11.3.1
   husky: ^9.1.7
   jsdoc: ^4.0.5
@@ -49,6 +49,7 @@ catalog:
   resolve: ^1.22.11
   rimraf: ^6.1.2
   semver: ^7.7.3
+  tar: ^7.5.6
   tsc-files: 1.1.4
   tsx: ^4.21.0
   typescript: ^5.9.3
diff --git a/syntaxes/.lintstagedrc.js b/syntaxes/.lintstagedrc.js
index da27208..d50a41c 100644
--- a/syntaxes/.lintstagedrc.js
+++ b/syntaxes/.lintstagedrc.js
@@ -12,7 +12,7 @@ const makeRelative = (file) => path.relative(process.cwd(), file);
 
 module.exports = {
     // run tests if the grammar file are changed
-    'adblock.yaml-tmlanguage': 'vitest run',
+    'adblock.yaml-tmlanguage': () => 'vitest run',
     '**/*.md': 'markdownlint',
     '**/*.js': 'eslint --cache',
     '**/*.ts': [
diff --git a/syntaxes/adblock.yaml-tmlanguage b/syntaxes/adblock.yaml-tmlanguage
index f9529ce..c30ed68 100644
--- a/syntaxes/adblock.yaml-tmlanguage
+++ b/syntaxes/adblock.yaml-tmlanguage
@@ -18,6 +18,7 @@
 ---
 name: Adblock
 scopeName: text.adblock
+
 patterns:
   - include: "#adblockAgent"
   - include: "#preprocessor"
@@ -32,6 +33,7 @@ patterns:
   - include: "#basicRulesNoUrl"
   - include: "#basicRulesRegex"
   - include: "#basicRules"
+
 repository:
   adblockAgent:
     patterns:
@@ -48,6 +50,7 @@ repository:
                 match: ".*"
           "3":
             name: punctuation.definition.array.end.adblock.agent
+
   adblockData:
     patterns:
       - match: |-
@@ -65,6 +68,7 @@ repository:
             name: constant.language.agent.adblocker.name
           "2":
             name: constant.numeric.decimal
+
   preprocessor:
     patterns:
       - match: "^(!#if)(\\s)(.*)$"
@@ -144,6 +148,7 @@ repository:
                 match: "(\\(|\\)|,)"
       - match: "^!#(?!#).+$"
         name: invalid.illegal.preprocessor
+
   comments:
     patterns:
       - name: comment.line.exclamation-sign
@@ -154,9 +159,24 @@ repository:
         # marked as a comment.
         # TODO: If a new cosmetic rule separator is added, it should be added here too
         match: "^#(?!(?:@?(?:\\$?\\?|\\$|%)?#)).*"
+
   elemhideRules:
     patterns:
-      - match: "^(\\[.+?\\])?(.*?)(#@?\\??#\\^?)(.+)$"
+      - match: |-
+          (?x)
+            ^                                                # Start of the line
+            (                                                # Group 1. Cosmetic rule options (optional)
+              \[                                             #   Opening bracket
+                (?:                                          #   One or more of:
+                  \/(?:\\.|[^\/\\])*\/[a-z]*                 #     Regex pattern (handles ] inside regex like /[class]/)
+                  |[^\]]                                     #     OR any character except closing bracket
+                )+
+              \]                                             #   Closing bracket
+            )?
+            (.*?)                                            # Group 2. Domain list
+            (\#@?\??\#\^?)                                   # Group 3. Cosmetic rule separator
+            (.+)                                             # Group 4. CSS selector
+            $                                                # End of the line
         captures:
           "1":
             patterns:
@@ -169,6 +189,7 @@ repository:
           "4":
             patterns:
               - include: "#cssSelector"
+
   snippetRulesABP:
     patterns:
       - match: "^(.*?)(#@?\\$#)([^{]+)$"
@@ -180,6 +201,7 @@ repository:
             name: keyword.control.adblock
           "3":
             name: constant.character.snippet.adblock
+
   cssRules:
     patterns:
       - match: "^(\\[.+?\\])?(.*?)(#@?\\$\\??#)(.+)$"
@@ -195,17 +217,24 @@ repository:
           "4":
             patterns:
               - include: "#cssStyle"
+
   contentRules:
     patterns:
       - match: |-
           (?x)
-            ^                   # Start of the line
-            \s*                 # Optional leading whitespace
-            (\[.+?\])?          # Group 1. AdGuard modifier list
-            (.*)?               # Group 2. Domain list
-            (\$@?\$)            # Group 3. Cosmetic rule marker
-            (.+)                # Group 4. CSS selector
-            $                   # End of the line
+            ^                                                # Start of the line
+            (                                                # Group 1. Cosmetic rule options (optional)
+              \[                                             #   Opening bracket
+                (?:                                          #   One or more of:
+                  \/(?:\\.|[^\/\\])*\/[a-z]*                 #     Regex pattern (handles ] inside regex like /[class]/)
+                  |[^\]]                                     #     OR any character except closing bracket
+                )+
+              \]                                             #   Closing bracket
+            )?
+            (.*?)                                            # Group 2. Domain list
+            (\$@?\$)                                         # Group 3. Cosmetic rule marker
+            (.+)                                             # Group 4. CSS selector
+            $                                                # End of the line
         captures:
           "1":
             patterns:
@@ -218,25 +247,33 @@ repository:
           "4":
             patterns:
               - include: "#cssSelector"
+
   scriptletRules:
     patterns:
       - include: "#exceptionScriptletRules"
       - include: "#blockingScriptletRules"
+
   exceptionScriptletRules:
     patterns:
       - match: |-
           (?x)
-            ^                   # Start of the line
-            \s*                 # Optional leading whitespace
-            (\[.+?\])?          # Group 1. AdGuard modifier list
-            (.*)?               # Group 2. Domain list
-            (\#@%\#)            # Group 3. Cosmetic rule marker
-            (\/\/scriptlet)     # Group 4. Scriptlet marker
-            (\()                # Group 5. Opening parenthesis
-            (.*)?               # Group 6. Arguments
-            (\))                # Group 7. Closing parenthesis
-            \s*                 # Optional trailing whitespace
-            $                   # End of the line
+            ^                                                # Start of the line
+            (                                                # Group 1. Cosmetic rule options (optional)
+              \[                                             #   Opening bracket
+                (?:                                          #   One or more of:
+                  \/(?:\\.|[^\/\\])*\/[a-z]*                 #     Regex pattern (handles ] inside regex like /[class]/)
+                  |[^\]]                                     #     OR any character except closing bracket
+                )+
+              \]                                             #   Closing bracket
+            )?
+            (.*?)                                            # Group 2. Domain list
+            (\#@%\#)                                         # Group 3. Cosmetic rule marker
+            (\/\/scriptlet)                                  # Group 4. Scriptlet marker
+            (\()                                             # Group 5. Opening parenthesis
+            (.*)?                                            # Group 6. Arguments
+            (\))                                             # Group 7. Closing parenthesis
+            \s*                                              # Optional trailing whitespace
+            $                                                # End of the line
         captures:
           "1":
             patterns:
@@ -256,21 +293,28 @@ repository:
               - include: "#scriptletFunction"
           "7":
             name: punctuation.section.adblock
+
   blockingScriptletRules:
     patterns:
       - match: |-
           (?x)
-            ^                   # Start of the line
-            \s*                 # Optional leading whitespace
-            (\[.+?\])?          # Group 1. AdGuard modifier list
-            (.*)?               # Group 2. Domain list
-            (\#%\#)             # Group 3. Cosmetic rule marker
-            (\/\/scriptlet)     # Group 4. Scriptlet marker
-            (\()                # Group 5. Opening parenthesis
-            (.*\S.*)            # Group 6. Arguments. Note: we look for a parameter that contain at least one non-whitespace character
-            (\))                # Group 7. Closing parenthesis
-            \s*                 # Optional trailing whitespace
-            $                   # End of the line
+            ^                                                # Start of the line
+            (                                                # Group 1. Cosmetic rule options (optional)
+              \[                                             #   Opening bracket
+                (?:                                          #   One or more of:
+                  \/(?:\\.|[^\/\\])*\/[a-z]*                 #     Regex pattern (handles ] inside regex like /[class]/)
+                  |[^\]]                                     #     OR any character except closing bracket
+                )+
+              \]                                             #   Closing bracket
+            )?
+            (.*?)                                            # Group 2. Domain list
+            (\#%\#)                                          # Group 3. Cosmetic rule marker
+            (\/\/scriptlet)                                  # Group 4. Scriptlet marker
+            (\()                                             # Group 5. Opening parenthesis
+            (.*\S.*)                                         # Group 6. Arguments. Note: we look for a parameter that contain at least one non-whitespace character
+            (\))                                             # Group 7. Closing parenthesis
+            \s*                                              # Optional trailing whitespace
+            $                                                # End of the line
         captures:
           "1":
             patterns:
@@ -289,6 +333,7 @@ repository:
               - include: "#scriptletFunction"
           "7":
             name: punctuation.section.adblock
+
   scriptletRulesUBO:
     patterns:
       - match: "^(.*?)(#@?#)(\\+js)(\\()(.+)(\\)\\s*)$"
@@ -307,6 +352,7 @@ repository:
               - include: "#scriptletFunctionUBO"
           "6":
             name: punctuation.section.adblock
+
   jsRules:
     # In this case, we embed the JS grammar in the adblock grammar
     # by using the include: "source.js" scope.
@@ -316,12 +362,15 @@ repository:
     patterns:
       # Do not confuse with #%#//scriptlet, so we use a negative lookahead
       # to make sure the separator is not followed by //scriptlet
-      - begin: "^(.*?)(#@?%#(?!\\/\\/scriptlet))"
+      - begin: ^(\[(?:\/(?:\\.|[^\/\\])*\/[a-z]*|[^\]])+\])?(.*?)(#@?%#(?!\/\/scriptlet))
         beginCaptures:
           "1":
             patterns:
-              - include: "#domainListCommaSeparated"
+              - include: "#cosmeticRulesOptions"
           "2":
+            patterns:
+              - include: "#domainListCommaSeparated"
+          "3":
             name: keyword.control.adblock
         end: "$"
         contentName: source.js
@@ -338,6 +387,7 @@ repository:
             name: keyword.control.adblock
           "3":
             name: invalid.illegal
+
   basicRulesNoUrl:
     patterns:
       - match: "^(\\$)(.+)$"
@@ -346,7 +396,8 @@ repository:
             name: keyword.control.adblock
           "2":
             patterns:
-              - include: "#basicRulesOptions"
+              - include: "#modifierList"
+
   basicRulesRegex:
     patterns:
       - match: "^(\\/[^\\/\\\\]*(?:\\\\.[^\\/\\\\]*)*\\/[dgimsuy]*)(?:(\\$)(.+))?$"
@@ -358,169 +409,359 @@ repository:
             name: keyword.control.adblock
           "3":
             patterns:
-              - include: "#basicRulesOptions"
+              - include: "#modifierList"
+
   basicRules:
     patterns:
-      - match: "^(.+?)((\\$(?!\\/))(.*))?$"
+      - match: |-
+          (?x)
+            ^
+            # Group 1. URL pattern (note: ? is used to make it non-greedy)
+            (.*?)
+            (?:
+              # Group 2. Network rule separator
+              (\$)(?=\s*~?\s*[\w-]+\s*(?:[=,]|$))
+              # Group 3. Network rule modifiers
+              (.*)
+            )?
+            $
         captures:
           "1":
             patterns:
               - include: "#urlPattern"
-          "3":
+          "2":
             name: keyword.control.adblock
-          "4":
+          "3":
             patterns:
-              - include: "#basicRulesOptions"
+              - include: "#modifierList"
+
   regularExpression:
     patterns:
       - begin: "(/)"
         beginCaptures:
           "1":
-            name: keyword.other.regex.begin
+            name: punctuation.definition.string.begin.regexp.adblock
         end: "((?<!\\\\)/)([dgimsuy]*)?"
         endCaptures:
           "1":
-            name: keyword.other.regex.end
+            name: punctuation.definition.string.end.regexp.adblock
           "2":
-            name: keyword.other.regex
-        contentName: string.regexp
+            name: keyword.other.regexp.adblock
+        contentName: string.regexp.adblock
         patterns:
-          - match: "(?<!\\\\)([/\\^\\$\\|])"
-            name: keyword.control.regex
-  urlPattern:
+          - include: "#regexp"
+
+  regexp:
     patterns:
-      - name: string.regexp.adblock
-        match: "^(@@)?(\\/)(.+)\\/$"
-        captures:
+      # Character classes
+      - name: constant.other.character-class.set.regexp
+        match: "\\\\[wWsSdDpP]"
+      - name: constant.character.escape.regexp
+        match: "\\\\[bBnrtfv0]"
+      - name: constant.character.escape.regexp
+        match: "\\\\x[0-9A-Fa-f]{2}"
+      - name: constant.character.escape.regexp
+        match: "\\\\u[0-9A-Fa-f]{4}"
+      - name: constant.character.escape.regexp
+        match: "\\\\."
+      
+      # Character class brackets
+      - begin: "(\\[)(\\^)?"
+        beginCaptures:
           "1":
-            name: keyword.other.adblock
-      - match: "^@@\\|?\\|?"
-        name: keyword.other.adblock
-      - match: "^\\|\\|"
-        name: keyword.other.adblock
-      - match: "^\\|"
-        name: keyword.other.adblock
-      - match: "\\|$"
-        name: keyword.other.adblock
-      - match: "\\^"
-        name: keyword.other.adblock
-      - match: "\\*"
-        name: keyword.other.adblock
-  basicRulesOptions:
-    patterns:
-      - match: replace=((\/)(((\\\/)|[^,/]|(\\,))+?)(\/)(((\\\/)|[^,/]|(\\,))*?)(\/)([a-z]*))
-        name: keyword.other.adblock
-        captures:
+            name: punctuation.definition.character-class.regexp
+          "2":
+            name: keyword.operator.negation.regexp
+        end: "(\\])"
+        endCaptures:
           "1":
-            name: string.regexp.adblock
-      - match: "(domain|denyallow|from|to)(=)([^,]+)"
-        captures:
+            name: punctuation.definition.character-class.regexp
+        name: constant.other.character-class.regexp
+        patterns:
+          - match: "\\\\[\\]\\-\\\\]"
+            name: constant.character.escape.regexp
+          - match: "[^\\]]"
+      
+      # Groups and captures
+      - begin: "(\\()(\\?[:=!<]|\\?<[=!]|\\?P?<[^>]+>)?"
+        beginCaptures:
           "1":
-            name: keyword.other.adblock
+            name: punctuation.definition.group.regexp
           "2":
-            name: keyword.operator.adblock
-          "3":
-            patterns:
-              - include: "#domainListPipeSeparated"
-      - match: "(app)(=)([^,]+)"
-        captures:
+            name: punctuation.definition.group.assertion.regexp
+        end: "(\\))"
+        endCaptures:
           "1":
-            name: keyword.other.adblock
-          "2":
-            name: keyword.operator.adblock
-          "3":
-            patterns:
-              - include: "#appListPipeSeparated"
-      - match: "(dnstype)(=)([^,]+)"
+            name: punctuation.definition.group.regexp
+        patterns:
+          - include: "#regexp"
+      
+      # Alternation
+      - name: keyword.operator.or.regexp
+        match: "\\|"
+      
+      # Quantifiers
+      - name: keyword.operator.quantifier.regexp
+        match: "[*+?]\\??"
+      - name: keyword.operator.quantifier.regexp
+        match: "\\{\\d+(,\\d*)?\\}\\??"
+      
+      # Anchors and boundaries
+      - name: keyword.control.anchor.regexp
+        match: "\\^|\\$"
+      - name: keyword.control.anchor.regexp
+        match: "\\\\[bB]"
+      
+      # Backreferences
+      - name: keyword.other.back-reference.regexp
+        match: "\\\\[1-9]\\d*"
+
+  headerValue:
+    patterns:
+      # Header name with regex value: name:/pattern/flags or name:~/pattern/flags
+      - match: ([\w-]+)(:)(~?)(/.+?(?<!\\)/[a-z]*)
         captures:
           "1":
-            name: keyword.other.adblock
+            name: entity.name.tag.adblock
           "2":
-            name: keyword.operator.adblock
+            name: punctuation.separator.key-value.adblock
           "3":
+            name: keyword.operator.logical.adblock
+          "4":
             patterns:
-              - include: "#dnsTypesPipeSeparated"
-      - match: "(client|ctag)(=)(((\\\\,)|[^,])+)"
+              - match: (/)(.+?(?<!\\))(/)([a-z]*)
+                captures:
+                  "1":
+                    name: punctuation.definition.string.begin.regexp.adblock
+                  "2":
+                    name: string.regexp.adblock
+                  "3":
+                    name: punctuation.definition.string.end.regexp.adblock
+                  "4":
+                    name: keyword.other.regexp.adblock
+      # Header name with literal value: name:value or name:~value
+      - match: ([\w-]+)(:)(~?)([^/]+)
         captures:
           "1":
-            name: keyword.other.adblock
+            name: entity.name.tag.adblock
           "2":
-            name: keyword.operator.adblock
+            name: punctuation.separator.key-value.adblock
           "3":
-            patterns:
-              - include: "#dnsClientsPipeSeparated"
-      - match: "(redirect|redirect-rule|csp|cookie)(=)?(((\\\\,)|[^,])+)?"
-        name: keyword.other.adblock
+            name: keyword.operator.logical.adblock
+          "4":
+            name: string.unquoted.adblock
+      # Just header name: name
+      - match: ([\w-]+)
         captures:
           "1":
-            name: keyword.other.adblock
-          "2":
+            name: entity.name.tag.adblock
+
+  urlskipValue:
+    patterns:
+      # Regex directive in urlskip value
+      - include: "#regularExpression"
+      # Everything else as unquoted string
+      - match: ".+"
+        name: string.unquoted.adblock
+
+  replaceValue:
+    patterns:
+      - begin: "(/)"
+        beginCaptures:
+          "1":
             name: keyword.operator.adblock
-          "3":
-            name: string.unquoted.adblock
-      - match: "(dnsrewrite)(=)(((\\\\,)|[^,])+)"
-        name: keyword.other.adblock
-        captures:
+        end: "((?<!\\\\)/)([igmsuy]*)?"
+        endCaptures:
           "1":
-            name: keyword.other.adblock
-          "2":
             name: keyword.operator.adblock
-          "3":
+          "2":
+            name: keyword.other.adblock
+        patterns:
+          # Regexp part (before middle slash)
+          - begin: "\\G"
+            end: "((?<!\\\\)/)"
+            endCaptures:
+              "1":
+                name: keyword.operator.adblock
+            contentName: string.regexp.adblock
+            patterns:
+              - include: "#regexp"
+          # Replacement part (after middle slash)
+          - begin: "(?=.)"
+            end: "(?=(?<!\\\\)/)"
+            contentName: string.unquoted.adblock
             patterns:
-              - name: keyword.other.delimiter
-                match: ";"
-              - name: string.unquoted.adblock
-                match: "[^;]*"
-      - match: "(removeheader)(=)?(((\\\\,)|[^,])+)?"
+              - include: "#replaceReplacement"
+
+  replaceReplacement:
+    patterns:
+      # Escaped characters (including \$)
+      - match: '\\.'
+        name: constant.character.escape.adblock
+      # Number after escaped dollar (for $1, $2 etc.)
+      - match: '\d+'
         name: keyword.other.adblock
+
+  urlPattern:
+    patterns:
+      - name: string.regexp.adblock
+        match: "^(@@)?((\\/)(.+)\\/$)"
         captures:
           "1":
             name: keyword.other.adblock
           "2":
-            name: keyword.operator.adblock
-          "3":
             patterns:
-              - name: keyword.other.delimiter
-                match: ":"
-              - name: string.unquoted.adblock
-                match: "[^:]*"
-      - match: "(rewrite)(=)(abp-resource:)([^,]+)"
+              - include: "#regularExpression"
+      - match: "^@@\\|?\\|?"
+        name: keyword.other.adblock
+      - match: "^\\|\\|"
+        name: keyword.other.adblock
+      - match: "^\\|"
+        name: keyword.other.adblock
+      - match: "\\|$"
+        name: keyword.other.adblock
+      - match: "\\^"
         name: keyword.other.adblock
+      - match: "\\*"
+        name: keyword.other.adblock
+
+  modifierList:
+    patterns:
+      # Special case for header modifier with regex value
+      # https://github.com/gorhill/uBlock/wiki/Static-filter-syntax#header
+      - match: |-
+          (?x)
+            (~?\s*header)                         # Group 1. header modifier name
+            \s*                                   #   Optional whitespace before =
+            (=)                                   #   Group 2. Assignment operator
+            \s*                                   #   Optional whitespace after =
+            ([\w-]+)                              #   Group 3. Header name
+            (:)                                   #   Group 4. Colon
+            (~?)                                  #   Group 5. Optional negation
+            (/)                                   #   Group 6. Opening slash
+            (.+?)                                 #   Group 7. Regex content
+            (?<!\\)(/)                            #   Group 8. Closing slash (not escaped)
+            ([a-z]*)                              #   Group 9. Flags
+            (?:\s*(?<!\\)(,)\s*(?=~?\s*[\w-])|$)  #   End: unescaped comma followed by modifier, or end
         captures:
           "1":
             name: keyword.other.adblock
           "2":
             name: keyword.operator.adblock
           "3":
-            name: keyword.other.adblock
+            name: entity.name.tag.adblock
           "4":
-            name: string.unquoted.adblock
-      - match: "(removeparam|queryprune)(=)?(~)?(((\\\\,)|[^,])+)?"
-        name: keyword.other.adblock
+            name: punctuation.separator.key-value.adblock
+          "5":
+            name: keyword.operator.logical.adblock
+          "6":
+            name: punctuation.definition.string.begin.regexp.adblock
+          "7":
+            patterns:
+              - include: "#regexp"
+              - match: .+
+                name: string.regexp.adblock
+          "8":
+            name: punctuation.definition.string.end.regexp.adblock
+          "9":
+            name: keyword.other.regexp.adblock
+          "10":
+            name: keyword.operator.adblock
+
+      # Special case for header modifier with literal value or no value
+      - match: |-
+          (?x)
+            (~?\s*header)                         # Group 1. header modifier name
+            \s*                                   #   Optional whitespace before =
+            (=)                                   #   Group 2. Assignment operator
+            \s*                                   #   Optional whitespace after =
+            ([\w-]+)                              #   Group 3. Header name
+            (?:
+              (:)                                 #   Group 4. Colon (optional)
+              (~?)                                #   Group 5. Optional negation
+              ([^,/]+)                            #   Group 6. Literal value (not starting with /)
+            )?
+            (?:\s*(?<!\\)(,)\s*(?=~?\s*[\w-])|$)  #   End: unescaped comma followed by modifier, or end
         captures:
           "1":
             name: keyword.other.adblock
           "2":
             name: keyword.operator.adblock
           "3":
-            name: keyword.other.adblock
+            name: entity.name.tag.adblock
           "4":
+            name: punctuation.separator.key-value.adblock
+          "5":
+            name: keyword.operator.logical.adblock
+          "6":
             name: string.unquoted.adblock
-      - match: "(method)(=)([^,]+)"
-        captures:
+          "7":
+            name: keyword.operator.adblock
+
+      # Special case for domain-like modifiers (domain, to, from, app, denyallow)
+      # These accept: ["~"] entry_0 ["|" ["~"] entry_1 ["|" ["~"]entry_2 ...]]
+      # where entry_i = ( item / regexp )
+      # ~ and | are operators, simple values are strings, /.../ is regexp
+      - begin: |-
+          (?x)
+            (~?\s*(?:domain|to|from|app|denyallow))   # Group 1. Modifier name
+            \s*                                       #   Optional whitespace before =
+            (=)                                       #   Group 2. Assignment operator
+            \s*                                       #   Optional whitespace after =
+        beginCaptures:
           "1":
             name: keyword.other.adblock
           "2":
             name: keyword.operator.adblock
-          "3":
+        end: (?:\s*(?<!\\)(,)\s*(?=~?\s*[\w-])|$)
+        endCaptures:
+          "1":
+            name: keyword.operator.adblock
+        patterns:
+          # Negation operator
+          - match: "~"
+            name: keyword.operator.logical.adblock
+          # Pipe separator
+          - match: "\\|"
+            name: keyword.operator.adblock
+          # Regex value: /pattern/ (allowing unescaped pipes inside)
+          - begin: "/"
+            beginCaptures:
+              "0":
+                name: punctuation.definition.string.begin.regexp.adblock
+            end: (?<!\\)/
+            endCaptures:
+              "0":
+                name: punctuation.definition.string.end.regexp.adblock
+            contentName: string.regexp.adblock
             patterns:
-              - match: "(?i)(connect|delete|get|head|options|patch|post|put)"
-                name: string.unquoted.adblock
-              - match: "~|\\|"
-                name: keyword.operator.adblock
-              - match: ".+"
-                name: invalid.illegal.method-value
-      - match: "(referrerpolicy)(=)?((\\w|-)+)?"
+              - include: "#regexp"
+              - match: '[^/\\]+'
+                name: string.regexp.adblock
+              - match: '\\.'
+                name: string.regexp.adblock
+          # Simple domain/value (not starting with / or special chars)
+          - match: "[^~|/,\\s]+"
+            name: string.unquoted.adblock
+
+      # Special case for replace / urltransform modifier (uses /regexp/replacement/modifiers syntax)
+      # https://adguard.com/kb/general/ad-filtering/create-own-filters/#replace-modifier
+      # https://adguard.com/kb/general/ad-filtering/create-own-filters/#urltransform-modifier
+      - match: |-
+          (?x)
+            (~?\s*(?:replace|urltransform))       # Group 1. replace modifier name
+            \s*                                   #   Optional whitespace before =
+            (=)                                   #   Group 2. Assignment operator
+            \s*                                   #   Optional whitespace after =
+            (                                     #   Group 3. replace value (/regexp/replacement/modifiers)
+              (\/)                                #     Group 4. Opening slash
+              (?:[^\/\\]|\\.)*                    #     Regexp part (escaped chars allowed)
+              (\/)                                #     Group 5. Middle slash
+              (?:[^\/\\]|\\.)*                    #     Replacement part (escaped chars allowed)
+              (\/)                                #     Group 6. Closing slash
+              ([a-z]*)                            #     Group 7. Optional modifiers (e.g., i)
+            )
+            (?:\s*(?<!\\)(,)\s*(?=~?\s*[\w-])|$)  #   End: unescaped comma followed by modifier, or end
         captures:
           "1":
             name: keyword.other.adblock
@@ -528,91 +769,114 @@ repository:
             name: keyword.operator.adblock
           "3":
             patterns:
-              - match: "(?i)(no-referrer|no-referrer-when-downgrade|origin|origin-when-cross-origin|same-origin|strict-origin|strict-origin-when-cross-origin|unsafe-url)"
-                name: string.unquoted.adblock
-              - match: "~|\\|.+"
-                name: invalid.illegal.referrerpolicy-value
-      - match: "(permissions)(=)?(((\\\\,)|[^,])+)?"
+              - include: "#replaceValue"
+            # name: string.unquoted.adblock
+          "4":
+            name: keyword.operator.adblock
+
+      # Special case for urlskip modifier (allows regex with commas and multiple directives)
+      # https://github.com/gorhill/uBlock/wiki/Static-filter-syntax#urlskip
+      - match: |-
+          (?x)
+            (~?\s*urlskip)                        # Group 1. urlskip modifier name
+            \s*                                   #   Optional whitespace before =
+            (=)                                   #   Group 2. Assignment operator
+            \s*                                   #   Optional whitespace after =
+            (                                     #   Group 3. urlskip value (space-separated directives)
+              (?:
+                \/(?:[^\/\\]|\\.)+\/              #     Regex directive: /pattern/
+                |\?[\w-]+                         #     Parameter extraction: ?name
+                |&\d+                             #     Position extraction: &1
+                |\#                               #     Hash extraction: #
+                |\+https:?                        #     Protocol prepend: +https or +https:
+                |-(?:
+                  base64
+                  |safebase64
+                  |uricomponent
+                  |blocked
+                )                                 # Transformation directives
+                |\s+                              #     Whitespace between directives
+              )+?
+            )
+            (?:\s*(?<!\\)(,)\s*(?=~?\s*[\w-])|$)  #   End: unescaped comma followed by modifier, or end
         captures:
           "1":
             name: keyword.other.adblock
           "2":
             name: keyword.operator.adblock
           "3":
-            name: string.unquoted.adblock
-      - match: "(header)(=)([^,]+)"
+            patterns:
+              - include: "#urlskipValue"
+          "4":
+            name: keyword.operator.adblock
+
+      # General pattern for other modifiers
+      - match: |-
+          (?x)
+            (~?\s*[\w-]+)                                      # Group 1. Modifier name
+            (?:                                                # Optional value assignment
+              \s*                                              #   Optional whitespace before =
+              (=)                                              #   Group 2. Assignment operator
+              \s*                                              #   Optional whitespace after =
+              (?:                                              #   Value (one of three types)
+                ('(?:[^'\\]|\\.)*')                            #     Group 3. Quoted string (single quotes)
+                |(                                             #     Group 4. Regex (e.g., /pattern/flags or /pattern/replacement/flags)
+                  \/                                           #       Opening slash
+                  (?:[^\/\\]|\\.)+                             #       Pattern body (anything except unescaped /)
+                  \/                                           #       Closing slash
+                  (?:                                          #       Optional replacement part
+                    (?:[^\/\\]|\\.)+                           #         Replacement body (anything except unescaped /)
+                    \/                                         #         Closing slash
+                  )?
+                  [a-z]*                                       #       Optional flags (e.g., i, g, m)
+                )
+                |((?:\\.|[^,\\]|,(?!\s*~?\s*[\w-]))+?)         #     Group 5. Unquoted list (allows escaped commas with \,)
+              )
+            )?
+            (?:\s*(?<!\\)(,)\s*(?=~?\s*[\w-])|$)               # End of modifier: unescaped comma followed by another modifier, or end of string
         captures:
           "1":
             name: keyword.other.adblock
           "2":
             name: keyword.operator.adblock
           "3":
+            name: string.quoted.adblock
+          "4":
+            patterns:
+              - include: "#regularExpression"
+          "5":
             name: string.unquoted.adblock
-      - match: "(inline-script|inline-font|mp4|empty|badfilter|genericblock|generichide|network|popup|popunder|important|replace|stealth)"
-        name: keyword.other.adblock
-      - match: "(~?)(first-party|third-party|match-case|elemhide|content|jsinject|urlblock|extension|all|strict1p|strict3p|1p|3p|css|frame|ghide|ehide|shide|specifichide)"
-        name: keyword.other.adblock
-      - match: "(~)?(document|doc|font|image|media|object|other|ping|beacon|script|stylesheet|css|subdocument|frame|websocket|xmlhttprequest|xhr|webrtc)(,|$)"
-        name: keyword.other.adblock
-      - match: "(~)?(object-subrequest)"
-        name: invalid.illegal.removed.modifier
-      - match: ","
-        name: punctuation.definition.adblock
-      - match: "\\$"
-        name: invalid.illegal.redundant.modifier.separator
+          "6":
+            name: keyword.operator.adblock
+      - name: invalid.illegal.adblock
+        match: ".*"
+
   cosmeticRulesOptions:
-    match: "(\\[)(.+?)(\\])"
+    match: |-
+      (?x)
+        (\[)     # Group 1. Opening bracket
+          \s*    #   Optional whitespace
+          (\$)   #   Group 2. Modifier separator
+          \s*    #   Optional whitespace
+          (.*)   #   Group 3. Modifier list
+          \s*    #   Optional whitespace
+        (\])     # Group 4. Closing bracket
     captures:
       "1":
         name: keyword.control.adblock
       "2":
-        patterns:
-          - match: "(path)(=)(((\\\\,)|[^,])+)"
-            captures:
-              "1":
-                name: keyword.other.adblock
-              "2":
-                name: keyword.operator.adblock
-              "3":
-                name: string.unquoted.adblock
-          - match: "(domain)(=)([^,]+)"
-            captures:
-              "1":
-                name: keyword.other.adblock
-              "2":
-                name: keyword.operator.adblock
-              "3":
-                patterns:
-                  - include: "#domainListPipeSeparated"
-          - match: "(app)(=)([^,]+)"
-            captures:
-              "1":
-                name: keyword.other.adblock
-              "2":
-                name: keyword.operator.adblock
-              "3":
-                patterns:
-                  - include: "#appListPipeSeparated"
-          - match: "(url)(=)([^,]+)"
-            captures:
-              "1":
-                name: keyword.other.adblock
-              "2":
-                name: keyword.operator.adblock
-              "3":
-                name: string.unquoted.adblock
-          - match: "\\$"
-            name: keyword.control.adblock
-          - match: ","
-            name: punctuation.definition.adblock
-          - name: invalid.illegal.adblock
-            match: ".*"
+        name: keyword.control.adblock
       "3":
+        patterns:
+          - include: "#modifierList"
+      "4":
         name: keyword.control.adblock
+
   emptyScriptletFunction:
     patterns:
       - match: \s*\z
         name: entity.name.section.adblock.empty-scriptlet
+
   scriptletFunction:
     patterns:
       - match: ((['|"])(.*?)(?<!\\)(\2))(,\s*)?
@@ -623,6 +887,7 @@ repository:
             name: keyword.operator.adblock
       - name: invalid.illegal.adblock
         match: ".*"
+
   scriptletFunctionUBO:
     patterns:
       - match: "((?:[^\\\\,]+|\\\\.?)*)(,|$)"
@@ -633,6 +898,7 @@ repository:
             name: keyword.operator.adblock
       - name: invalid.illegal.adblock
         match: ".*"
+
   cssStyle:
     patterns:
       - match: "(@media[\\s]+[^\\{]*)(\\{)([\\s]*[^\\{]*)(\\{)([\\s]*[^\\}]*)(\\})[\\s]*(\\})"
@@ -663,6 +929,7 @@ repository:
             name: punctuation.section.adblock
       - name: invalid.illegal.adblock
         match: ".*"
+
   cssSelector:
     patterns:
       # ID selector
@@ -900,6 +1167,7 @@ repository:
             name: punctuation.definition.adblock
       - name: invalid.illegal.domain-list
         match: ".*"
+
   domainListPipeSeparated:
     patterns:
       - match: "(~?)([^|]+)(\\|?)"
@@ -912,6 +1180,7 @@ repository:
             name: punctuation.definition.adblock
       - name: invalid.illegal.domain-list
         match: ".*"
+
   appListPipeSeparated:
     patterns:
       - match: "((~?)([a-zA-Z0-9.-_]+)(\\|?))"
@@ -924,6 +1193,7 @@ repository:
             name: punctuation.definition.adblock
       - name: invalid.illegal.app-list
         match: ".*"
+
   dnsTypesPipeSeparated:
     patterns:
       - match: "((~?)([a-zA-Z0-9.-_]+)(\\|?))"
@@ -936,6 +1206,7 @@ repository:
             name: punctuation.definition.adblock
       - name: invalid.illegal.app-list
         match: ".*"
+
   dnsClientsPipeSeparated:
     patterns:
       - match: "((~?)([^|]+)(\\|?))"
diff --git a/syntaxes/package.json b/syntaxes/package.json
index 11924b3..382e67c 100644
--- a/syntaxes/package.json
+++ b/syntaxes/package.json
@@ -18,10 +18,13 @@
         "@types/node": "catalog:",
         "@types/plist": "catalog:",
         "@vitest/expect": "catalog:",
+        "chalk": "catalog:",
         "chokidar": "catalog:",
+        "fast-glob": "catalog:",
         "fs-extra": "catalog:",
         "plist": "catalog:",
         "rimraf": "catalog:",
+        "tar": "catalog:",
         "tsc-files": "catalog:",
         "valibot": "catalog:",
         "vitest": "catalog:",
diff --git a/syntaxes/test/adblock/cosmetic/adg-cosmetic-modifiers.test.ts b/syntaxes/test/adblock/cosmetic/adg-cosmetic-modifiers.test.ts
new file mode 100644
index 0000000..8890bf5
--- /dev/null
+++ b/syntaxes/test/adblock/cosmetic/adg-cosmetic-modifiers.test.ts
@@ -0,0 +1,187 @@
+/**
+ * @file Tests for AdGuard cosmetic rules modifiers.
+ */
+import {
+    beforeAll,
+    describe,
+    expect,
+    test,
+} from 'vitest';
+
+import { type AdblockTokenizer, getAdblockTokenizer } from '../../../utils/get-adblock-tokenizer';
+
+let tokenizer: AdblockTokenizer;
+
+beforeAll(async () => {
+    tokenizer = await getAdblockTokenizer();
+});
+
+describe('cosmetic rules modifiers', () => {
+    describe('valid', () => {
+        test('simple path modifier', () => {
+            const tokens = tokenizer('[$path=/test]##banner');
+
+            // Check only the modifier part tokens (first 6 tokens)
+            expect(tokens.slice(0, 6)).toEqual([
+                { startIndex: 0, endIndex: 1, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 1, endIndex: 2, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 2, endIndex: 6, scopes: ['text.adblock', 'keyword.other.adblock'] },
+                { startIndex: 6, endIndex: 7, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                { startIndex: 7, endIndex: 12, scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                { startIndex: 12, endIndex: 13, scopes: ['text.adblock', 'keyword.control.adblock'] },
+            ]);
+        });
+
+        test('domain modifier with regex', () => {
+            const tokens1 = tokenizer('[$domain=/example[0-9]\\.(com|org)/]##.ad');
+
+            // Check only the basic structure tokens (first 5 tokens)
+            expect(tokens1.slice(0, 5)).toEqual([
+                { startIndex: 0, endIndex: 1, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 1, endIndex: 2, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 2, endIndex: 8, scopes: ['text.adblock', 'keyword.other.adblock'] },
+                { startIndex: 8, endIndex: 9, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                {
+                    startIndex: 9,
+                    endIndex: 10,
+                    scopes: ['text.adblock', 'punctuation.definition.string.begin.regexp.adblock'],
+                },
+            ]);
+
+            // Verify the regex content contains the expected scopes
+            expect(tokens1[5].scopes).toContain('string.regexp.adblock');
+
+            const tokens2 = tokenizer('[$domain=/example\\d{1,}\\.(com|org)/]##.ad');
+
+            // Check only the basic structure tokens (first 5 tokens)
+            expect(tokens2.slice(0, 5)).toEqual([
+                { startIndex: 0, endIndex: 1, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 1, endIndex: 2, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 2, endIndex: 8, scopes: ['text.adblock', 'keyword.other.adblock'] },
+                { startIndex: 8, endIndex: 9, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                {
+                    startIndex: 9,
+                    endIndex: 10,
+                    scopes: ['text.adblock', 'punctuation.definition.string.begin.regexp.adblock'],
+                },
+            ]);
+
+            // Verify the regex content contains the expected scopes
+            expect(tokens2[5].scopes).toContain('string.regexp.adblock');
+        });
+
+        test('multiple modifiers', () => {
+            const tokens1 = tokenizer('[$path=/test,app=com.google.search]##banner');
+
+            // Check only the modifier part tokens (first 10 tokens)
+            expect(tokens1.slice(0, 10)).toEqual([
+                { startIndex: 0, endIndex: 1, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 1, endIndex: 2, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 2, endIndex: 6, scopes: ['text.adblock', 'keyword.other.adblock'] },
+                { startIndex: 6, endIndex: 7, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                { startIndex: 7, endIndex: 12, scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                { startIndex: 12, endIndex: 13, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                { startIndex: 13, endIndex: 16, scopes: ['text.adblock', 'keyword.other.adblock'] },
+                { startIndex: 16, endIndex: 17, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                { startIndex: 17, endIndex: 34, scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                { startIndex: 34, endIndex: 35, scopes: ['text.adblock', 'keyword.control.adblock'] },
+            ]);
+
+            const tokens2 = tokenizer('[$path=/test,domain=example.org]##banner');
+
+            // Check only the modifier part tokens (first 10 tokens)
+            expect(tokens2.slice(0, 10)).toEqual([
+                { startIndex: 0, endIndex: 1, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 1, endIndex: 2, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 2, endIndex: 6, scopes: ['text.adblock', 'keyword.other.adblock'] },
+                { startIndex: 6, endIndex: 7, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                { startIndex: 7, endIndex: 12, scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                { startIndex: 12, endIndex: 13, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                { startIndex: 13, endIndex: 19, scopes: ['text.adblock', 'keyword.other.adblock'] },
+                { startIndex: 19, endIndex: 20, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                { startIndex: 20, endIndex: 31, scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                { startIndex: 31, endIndex: 32, scopes: ['text.adblock', 'keyword.control.adblock'] },
+            ]);
+        });
+
+        test('different rule types with modifiers', () => {
+            const tokens1 = tokenizer('[$path=/test]#@#banner');
+            expect(tokens1.slice(0, 6)).toEqual([
+                { startIndex: 0, endIndex: 1, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 1, endIndex: 2, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 2, endIndex: 6, scopes: ['text.adblock', 'keyword.other.adblock'] },
+                { startIndex: 6, endIndex: 7, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                { startIndex: 7, endIndex: 12, scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                { startIndex: 12, endIndex: 13, scopes: ['text.adblock', 'keyword.control.adblock'] },
+            ]);
+
+            const tokens2 = tokenizer('[$path=/test]#?#.banner');
+            expect(tokens2.slice(0, 6)).toEqual([
+                { startIndex: 0, endIndex: 1, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 1, endIndex: 2, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 2, endIndex: 6, scopes: ['text.adblock', 'keyword.other.adblock'] },
+                { startIndex: 6, endIndex: 7, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                { startIndex: 7, endIndex: 12, scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                { startIndex: 12, endIndex: 13, scopes: ['text.adblock', 'keyword.control.adblock'] },
+            ]);
+
+            const tokens3 = tokenizer('[$path=/test]#$#banner { style: display: none!important; }');
+            expect(tokens3.slice(0, 6)).toEqual([
+                { startIndex: 0, endIndex: 1, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 1, endIndex: 2, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 2, endIndex: 6, scopes: ['text.adblock', 'keyword.other.adblock'] },
+                { startIndex: 6, endIndex: 7, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                { startIndex: 7, endIndex: 12, scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                { startIndex: 12, endIndex: 13, scopes: ['text.adblock', 'keyword.control.adblock'] },
+            ]);
+
+            const tokens4 = tokenizer('[$path=/test]$$banner');
+            expect(tokens4.slice(0, 6)).toEqual([
+                { startIndex: 0, endIndex: 1, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 1, endIndex: 2, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 2, endIndex: 6, scopes: ['text.adblock', 'keyword.other.adblock'] },
+                { startIndex: 6, endIndex: 7, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                { startIndex: 7, endIndex: 12, scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                { startIndex: 12, endIndex: 13, scopes: ['text.adblock', 'keyword.control.adblock'] },
+            ]);
+        });
+
+        test('scriptlet rules with modifiers', () => {
+            const tokens1 = tokenizer('[$path=/subpage1]testcases.agrd.dev,pages.dev#%#window.__case13=true;');
+            expect(tokens1.slice(0, 6)).toEqual([
+                { startIndex: 0, endIndex: 1, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 1, endIndex: 2, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 2, endIndex: 6, scopes: ['text.adblock', 'keyword.other.adblock'] },
+                { startIndex: 6, endIndex: 7, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                { startIndex: 7, endIndex: 16, scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                { startIndex: 16, endIndex: 17, scopes: ['text.adblock', 'keyword.control.adblock'] },
+            ]);
+
+            const tokens2 = tokenizer('[$path=/test]example.org#%#//scriptlet(\'name\', \'\')');
+            expect(tokens2.slice(0, 6)).toEqual([
+                { startIndex: 0, endIndex: 1, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 1, endIndex: 2, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 2, endIndex: 6, scopes: ['text.adblock', 'keyword.other.adblock'] },
+                { startIndex: 6, endIndex: 7, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                { startIndex: 7, endIndex: 12, scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                { startIndex: 12, endIndex: 13, scopes: ['text.adblock', 'keyword.control.adblock'] },
+            ]);
+        });
+    });
+
+    describe('invalid', () => {
+        test('invalid modifier', () => {
+            const tokens = tokenizer('[$randommodifier=test]##banner');
+
+            // Check only the modifier part tokens (first 6 tokens)
+            expect(tokens.slice(0, 6)).toEqual([
+                { startIndex: 0, endIndex: 1, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 1, endIndex: 2, scopes: ['text.adblock', 'keyword.control.adblock'] },
+                { startIndex: 2, endIndex: 16, scopes: ['text.adblock', 'keyword.other.adblock'] },
+                { startIndex: 16, endIndex: 17, scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                { startIndex: 17, endIndex: 21, scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                { startIndex: 21, endIndex: 22, scopes: ['text.adblock', 'keyword.control.adblock'] },
+            ]);
+        });
+    });
+});
diff --git a/syntaxes/test/adblock/cosmetic/html.test.ts b/syntaxes/test/adblock/cosmetic/html.test.ts
index 2ca06ac..e1098cf 100644
--- a/syntaxes/test/adblock/cosmetic/html.test.ts
+++ b/syntaxes/test/adblock/cosmetic/html.test.ts
@@ -596,7 +596,7 @@ describe('HTML filtering rules', () => {
                 actual: '$$',
                 expected: [
                     { fragment: '$', scopes: SEPARATOR },
-                    { fragment: '$', scopes: ['text.adblock', 'invalid.illegal.redundant.modifier.separator'] },
+                    { fragment: '$', scopes: ['text.adblock', 'invalid.illegal.adblock'] },
                 ],
             },
             {
diff --git a/syntaxes/test/adblock/network/network.test.ts b/syntaxes/test/adblock/network/network.test.ts
new file mode 100644
index 0000000..3b6e57e
--- /dev/null
+++ b/syntaxes/test/adblock/network/network.test.ts
@@ -0,0 +1,868 @@
+/**
+ * @file Tests for network rules.
+ */
+import {
+    beforeAll,
+    describe,
+    expect,
+    test,
+} from 'vitest';
+
+import { type AdblockTokenizer, getAdblockTokenizer } from '../../../utils/get-adblock-tokenizer';
+
+let tokenizer: AdblockTokenizer;
+
+beforeAll(async () => {
+    tokenizer = await getAdblockTokenizer();
+});
+
+describe('network rules', () => {
+    describe('valid', () => {
+        test('regular network rules without modifiers', () => {
+            expect('-468x60-').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '-468x60-', scopes: ['text.adblock'] },
+                ],
+            );
+
+            expect('/ads.js').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '/ads.js', scopes: ['text.adblock'] },
+                ],
+            );
+
+            expect('||example.com^').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.com', scopes: ['text.adblock'] },
+                    { fragment: '^', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+
+            expect('||example.com/*_banner_').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.com/', scopes: ['text.adblock'] },
+                    { fragment: '*', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '_banner_', scopes: ['text.adblock'] },
+                ],
+            );
+
+            expect('|http://example.org').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '|', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'http://example.org', scopes: ['text.adblock'] },
+                ],
+            );
+
+            expect('swf|').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: 'swf', scopes: ['text.adblock'] },
+                    { fragment: '|', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+        });
+
+        test('regexp network rules without modifiers', () => {
+            expect(String.raw`/banner\d+/`).toBeTokenizedProperly(
+                tokenizer,
+                [
+                    {
+                        fragment: '/',
+                        scopes: ['text.adblock', 'punctuation.definition.string.begin.regexp.adblock'],
+                    },
+                    { fragment: 'banner', scopes: ['text.adblock', 'string.regexp.adblock'] },
+                    {
+                        fragment: '\\d',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'constant.other.character-class.set.regexp'],
+                    },
+                    {
+                        fragment: '+',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'keyword.operator.quantifier.regexp'],
+                    },
+                    {
+                        fragment: '/',
+                        scopes: ['text.adblock', 'punctuation.definition.string.end.regexp.adblock'],
+                    },
+                ],
+            );
+        });
+
+        test('network rules without pattern', () => {
+            expect('$script').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'script', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+
+            expect('$~websocket,~xmlhttprequest').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: '~websocket', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: '~xmlhttprequest', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+
+            expect('$script,third-party,___,domain=example.com').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'script', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'third-party', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: '___', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'domain', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'example.com', scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                ],
+            );
+
+            // quoted value allows unescaped comma
+            expect(String.raw`$foo=',',bar`).toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'foo', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: "','", scopes: ['text.adblock', 'string.quoted.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'bar', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+            expect(String.raw`$foo='/b{3,}/',bar`).toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'foo', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: "'/b{3,}/'", scopes: ['text.adblock', 'string.quoted.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'bar', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+
+            // regexp value allows unescaped comma with detailed highlighting
+            expect(String.raw`$foo=/b{3,}/,bar`).toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'foo', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    {
+                        fragment: '/',
+                        scopes: ['text.adblock', 'punctuation.definition.string.begin.regexp.adblock'],
+                    },
+                    { fragment: 'b', scopes: ['text.adblock', 'string.regexp.adblock'] },
+                    {
+                        fragment: '{3,}',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'keyword.operator.quantifier.regexp'],
+                    },
+                    {
+                        fragment: '/',
+                        scopes: ['text.adblock', 'punctuation.definition.string.end.regexp.adblock'],
+                    },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'bar', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+
+            // quoted value allows unescaped $
+            expect(String.raw`$foo='$',bar`).toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'foo', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: "'$'", scopes: ['text.adblock', 'string.quoted.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'bar', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+            expect(String.raw`$foo='/b{3,}$/',bar`).toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'foo', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: "'/b{3,}$/'", scopes: ['text.adblock', 'string.quoted.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'bar', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+
+            // regexp value allows unescaped $ (anchor)
+            expect(String.raw`$foo=/b{3,}$/,bar`).toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'foo', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    {
+                        fragment: '/',
+                        scopes: ['text.adblock', 'punctuation.definition.string.begin.regexp.adblock'],
+                    },
+                    { fragment: 'b', scopes: ['text.adblock', 'string.regexp.adblock'] },
+                    {
+                        fragment: '{3,}',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'keyword.operator.quantifier.regexp'],
+                    },
+                    {
+                        fragment: '$',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'keyword.control.anchor.regexp'],
+                    },
+                    {
+                        fragment: '/',
+                        scopes: ['text.adblock', 'punctuation.definition.string.end.regexp.adblock'],
+                    },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'bar', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+            expect(String.raw`$foo=/(b{3,}|foo$)/,bar`).toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'foo', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    {
+                        fragment: '/',
+                        scopes: ['text.adblock', 'punctuation.definition.string.begin.regexp.adblock'],
+                    },
+                    {
+                        fragment: '(',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'punctuation.definition.group.regexp'],
+                    },
+                    { fragment: 'b', scopes: ['text.adblock', 'string.regexp.adblock'] },
+                    {
+                        fragment: '{3,}',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'keyword.operator.quantifier.regexp'],
+                    },
+                    {
+                        fragment: '|',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'keyword.operator.or.regexp'],
+                    },
+                    { fragment: 'foo', scopes: ['text.adblock', 'string.regexp.adblock'] },
+                    {
+                        fragment: '$',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'keyword.control.anchor.regexp'],
+                    },
+                    {
+                        fragment: ')',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'punctuation.definition.group.regexp'],
+                    },
+                    {
+                        fragment: '/',
+                        scopes: ['text.adblock', 'punctuation.definition.string.end.regexp.adblock'],
+                    },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'bar', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+
+            // whitespace is allowed
+            expect('$foo = bar ,  baz').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'foo', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: ' ', scopes: ['text.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: ' ', scopes: ['text.adblock'] },
+                    { fragment: 'bar', scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                    { fragment: ' ', scopes: ['text.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: '  ', scopes: ['text.adblock'] },
+                    { fragment: 'baz', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+        });
+
+        test('regular network rules with modifiers', () => {
+            expect('||example.com^$script').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.com', scopes: ['text.adblock'] },
+                    { fragment: '^', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'script', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+
+            expect('||example.com^$~websocket,~xmlhttprequest').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.com', scopes: ['text.adblock'] },
+                    { fragment: '^', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: '~websocket', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: '~xmlhttprequest', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+
+            expect('||example.com^$script,__,3p').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.com', scopes: ['text.adblock'] },
+                    { fragment: '^', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'script', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: '__', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: '3p', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+        });
+
+        test('regexp network rules with modifiers', () => {
+            expect(String.raw`/banner\d+/$image,third-party`).toBeTokenizedProperly(
+                tokenizer,
+                [
+                    {
+                        fragment: '/',
+                        scopes: ['text.adblock', 'punctuation.definition.string.begin.regexp.adblock'],
+                    },
+                    { fragment: 'banner', scopes: ['text.adblock', 'string.regexp.adblock'] },
+                    {
+                        fragment: '\\d',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'constant.other.character-class.set.regexp'],
+                    },
+                    {
+                        fragment: '+',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'keyword.operator.quantifier.regexp'],
+                    },
+                    {
+                        fragment: '/',
+                        scopes: ['text.adblock', 'punctuation.definition.string.end.regexp.adblock'],
+                    },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'image', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'third-party', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+        });
+
+        test('special modifiers with commas', () => {
+            // header modifier with regex containing comma and escaped characters
+            expect('*$script,header=via:/, 1\\.1 google$/').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '*', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'script', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'header', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'via', scopes: ['text.adblock', 'entity.name.tag.adblock'] },
+                    { fragment: ':', scopes: ['text.adblock', 'punctuation.separator.key-value.adblock'] },
+                    {
+                        fragment: '/',
+                        scopes: ['text.adblock', 'punctuation.definition.string.begin.regexp.adblock'],
+                    },
+                    { fragment: ', 1\\.1 google$', scopes: ['text.adblock', 'string.regexp.adblock'] },
+                    {
+                        fragment: '/',
+                        scopes: ['text.adblock', 'punctuation.definition.string.end.regexp.adblock'],
+                    },
+                ],
+            );
+
+            // header modifier with literal value
+            expect('*$script,header=via:1.1 google').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '*', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'script', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'header', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'via', scopes: ['text.adblock', 'entity.name.tag.adblock'] },
+                    { fragment: ':', scopes: ['text.adblock', 'punctuation.separator.key-value.adblock'] },
+                    { fragment: '1.1 google', scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                ],
+            );
+
+            // header modifier - just presence check
+            expect('*$script,header=via').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '*', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'script', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'header', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'via', scopes: ['text.adblock', 'entity.name.tag.adblock'] },
+                ],
+            );
+
+            // replace modifier with detailed tokenization test
+            expect(String.raw`||example.org^$replace=/test/replacement/i`).toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.org', scopes: ['text.adblock'] },
+                    { fragment: '^', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'replace', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: '/', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'test', scopes: ['text.adblock', 'string.regexp.adblock'] },
+                    { fragment: '/', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'replacement', scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                    { fragment: '/', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'i', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+
+            // replace modifier with $number references in replacement
+            expect(String.raw`||example.org^$replace=/(test)/\$1/`).toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.org', scopes: ['text.adblock'] },
+                    { fragment: '^', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'replace', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: '/', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    {
+                        fragment: '(',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'punctuation.definition.group.regexp'],
+                    },
+                    { fragment: 'test', scopes: ['text.adblock', 'string.regexp.adblock'] },
+                    {
+                        fragment: ')',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'punctuation.definition.group.regexp'],
+                    },
+                    { fragment: '/', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    {
+                        fragment: '\\$',
+                        scopes: ['text.adblock', 'string.unquoted.adblock', 'constant.character.escape.adblock'],
+                    },
+                    { fragment: '1', scopes: ['text.adblock', 'string.unquoted.adblock', 'keyword.other.adblock'] },
+                    { fragment: '/', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                ],
+            );
+
+            // replace modifier with complex regexp and escaped slashes
+            const replaceExample = String.raw`||example.org^$replace=/(<VAST[\s\S]*?>)[\s\S]*<\/VAST>/\$1<\/VAST>/i`;
+            const replaceTokens = tokenizer(replaceExample);
+
+            // Verify no invalid tokens
+            const replaceHasInvalid = replaceTokens.some((token) => token.scopes.some(
+                (scope) => scope.startsWith('invalid'),
+            ));
+            expect(replaceHasInvalid).toBe(false);
+
+            // Verify key structural elements
+            const replaceScopes = replaceTokens.flatMap((t) => t.scopes);
+            expect(replaceScopes).toContain('keyword.other.adblock'); // replace keyword and modifiers
+            expect(replaceScopes).toContain('keyword.operator.adblock'); // slashes
+            expect(replaceScopes).toContain('string.regexp.adblock'); // regexp part
+            expect(replaceScopes).toContain('string.unquoted.adblock'); // replacement part
+            expect(replaceScopes).toContain('constant.character.escape.adblock'); // escaped characters
+
+            // urlskip modifier with regex containing comma - verify it parses correctly
+            const urlskipExample = String.raw`||click.redditmail.com/CL0/`
+                + String.raw`$urlskip=/CL0\/.*?(www\.reddit\.com.+?)(?:\?|%3F)/ -uricomponent +https`;
+            const urlskipTokens = tokenizer(urlskipExample);
+
+            // Verify no invalid tokens
+            const urlskipHasInvalid = urlskipTokens.some((token) => token.scopes.some(
+                (scope) => scope.startsWith('invalid'),
+            ));
+            expect(urlskipHasInvalid).toBe(false);
+
+            // Verify key structural elements
+            const urlskipScopes = urlskipTokens.flatMap((t) => t.scopes);
+            expect(urlskipScopes).toContain('keyword.other.adblock');
+            expect(urlskipScopes).toContain('keyword.operator.adblock');
+
+            // urlskip modifier with simple directives
+            expect('||example.com/path/to/tracker$urlskip=?url -base64').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.com/path/to/tracker', scopes: ['text.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'urlskip', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: '?url -base64', scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                ],
+            );
+        });
+
+        test('domain-like modifiers with special syntax', () => {
+            // Simple domain value
+            expect('||example.com^$script,domain=example.org').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.com', scopes: ['text.adblock'] },
+                    { fragment: '^', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'script', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'domain', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'example.org', scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                ],
+            );
+
+            // Negated domain with ~
+            expect('||ads.js$domain=~example.com').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'ads.js', scopes: ['text.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'domain', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: '~', scopes: ['text.adblock', 'keyword.operator.logical.adblock'] },
+                    { fragment: 'example.com', scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                ],
+            );
+
+            // Multiple domains with pipe separator
+            expect('||ads.js$domain=example.com|example.org|~test.com').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'ads.js', scopes: ['text.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'domain', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'example.com', scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                    { fragment: '|', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'example.org', scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                    { fragment: '|', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: '~', scopes: ['text.adblock', 'keyword.operator.logical.adblock'] },
+                    { fragment: 'test.com', scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                ],
+            );
+
+            // Domain with regex value - verify structural elements
+            const domainRegexExample = '||example.com^$domain=/example[0-9]\\.(com|org)/|another.com';
+            const domainRegexTokens = tokenizer(domainRegexExample);
+
+            // Verify no invalid tokens
+            const domainRegexHasInvalid = domainRegexTokens.some((token) => token.scopes.some(
+                (scope) => scope.startsWith('invalid'),
+            ));
+            expect(domainRegexHasInvalid).toBe(false);
+
+            // Verify key structural elements
+            const domainRegexScopes = domainRegexTokens.flatMap((t) => t.scopes);
+            expect(domainRegexScopes).toContain('keyword.other.adblock');
+            expect(domainRegexScopes).toContain('keyword.operator.adblock');
+            expect(domainRegexScopes).toContain('punctuation.definition.string.begin.regexp.adblock');
+            expect(domainRegexScopes).toContain('string.regexp.adblock');
+
+            // Mixed: regex with pipe inside, followed by simple domain - check actual tokens
+            const mixedExample = '||ads.js$domain=/example[0-9]\\.(com|org)/|another.com';
+            const mixedTokens = tokenizer(mixedExample);
+
+            // Check that the value is properly tokenized with regex and domain parts
+            const mixedFragments = mixedTokens.map((t) => ({
+                fragment: mixedExample.substring(t.startIndex, t.endIndex),
+                scopes: t.scopes,
+            }));
+
+            // The entire value should not be just a string.unquoted.adblock
+            const valueTokens = mixedFragments.filter(
+                (t) => t.fragment.includes('example') || t.fragment.includes('another'),
+            );
+
+            // At least one token should have regex scopes
+            const hasRegexScopes = valueTokens.some(
+                (t) => t.scopes.some((s) => s.includes('regexp')),
+            );
+            expect(hasRegexScopes).toBe(true);
+
+            // Test 'to' modifier with multiple TLDs
+            expect('||example.com^$to=com|org|net').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.com', scopes: ['text.adblock'] },
+                    { fragment: '^', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'to', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'com', scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                    { fragment: '|', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'org', scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                    { fragment: '|', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'net', scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                ],
+            );
+        });
+
+        test('combined replace and domain modifiers', () => {
+            // Test replace and domain together in the same rule
+            const combinedExample = String.raw`||example.org^$replace=/(<VAST[\s\S]*?>)[\s\S]*<\/VAST>/`
+                + String.raw`\$1<\/VAST>/i,domain=/example[0-9]\.(com|org)/|another.com`;
+            const combinedTokens = tokenizer(combinedExample);
+
+            // Verify no invalid tokens
+            const combinedHasInvalid = combinedTokens.some((token) => token.scopes.some(
+                (scope) => scope.startsWith('invalid'),
+            ));
+            expect(combinedHasInvalid).toBe(false);
+
+            // Verify both modifiers have their key elements
+            const combinedScopes = combinedTokens.flatMap((t) => t.scopes);
+
+            // Both modifiers should be present with their regex elements
+            expect(combinedScopes).toContain('keyword.operator.adblock'); // slashes and operators
+            expect(combinedScopes).toContain('string.regexp.adblock'); // regex content
+        });
+
+        test('complicated cases', () => {
+            // Test a complex filter with multiple modifiers including regex patterns
+            const complexFilter = String.raw`/^https:\/\/[a-z0-9]{2,}-[a-z0-9]{8}\.(?:com|nl)\/[a-z0-9-]+/`
+                + String.raw`[a-z0-9]{12}\b/$frame,3p,match-case,to=com|nl,`
+                + String.raw`ipaddress=/^(1(72\.67\.\d{3}|04\.21\.\d+)\.\d+|188\.114\.9[67]\.[08]|`
+                + String.raw`64:ff9b::[a-f0-9]{4}:[a-f0-9]{1,4})$/,`
+                + String.raw`replace='/^/<script>(()=>{window.open=new Proxy(window.open,{apply:(n,o,w)=>{}});`
+                + String.raw`let e=document.querySelector("script");e.innerHTML.includes("window.open")&&`
+                + String.raw`e.parentElement.removeChild(e)})();<\/script>/i'`;
+            const tokens = tokenizer(complexFilter);
+
+            // Verify no invalid tokens
+            const hasInvalidTokens = tokens.some((token) => token.scopes.some(
+                (scope) => scope.startsWith('invalid'),
+            ));
+            expect(hasInvalidTokens).toBe(false);
+
+            // Verify key structural elements are present
+            const allScopes = tokens.flatMap((t) => t.scopes);
+            expect(allScopes).toContain('punctuation.definition.string.begin.regexp.adblock');
+            expect(allScopes).toContain('punctuation.definition.string.end.regexp.adblock');
+            expect(allScopes).toContain('keyword.control.adblock');
+            expect(allScopes).toContain('keyword.other.adblock');
+            expect(allScopes).toContain('keyword.operator.adblock');
+            expect(allScopes).toContain('string.regexp.adblock');
+            expect(allScopes).toContain('string.quoted.adblock');
+        });
+
+        test('allowlist rules without modifiers', () => {
+            expect('@@-468x60-').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '@@', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '-468x60-', scopes: ['text.adblock'] },
+                ],
+            );
+
+            expect('@@/ads.js').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '@@', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '/ads.js', scopes: ['text.adblock'] },
+                ],
+            );
+
+            expect('@@||example.com^').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '@@||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.com', scopes: ['text.adblock'] },
+                    { fragment: '^', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+
+            expect('@@||example.com/*_banner_').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '@@||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.com/', scopes: ['text.adblock'] },
+                    { fragment: '*', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '_banner_', scopes: ['text.adblock'] },
+                ],
+            );
+        });
+
+        test('allowlist regexp rules without modifiers', () => {
+            expect('@@/ads\\.js/').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    {
+                        fragment: '@@',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'keyword.other.adblock'],
+                    },
+                    {
+                        fragment: '/',
+                        scopes: [
+                            'text.adblock',
+                            'string.regexp.adblock',
+                            'punctuation.definition.string.begin.regexp.adblock',
+                        ],
+                    },
+                    {
+                        fragment: 'ads',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'string.regexp.adblock'],
+                    },
+                    {
+                        fragment: '\\.',
+                        scopes: [
+                            'text.adblock',
+                            'string.regexp.adblock',
+                            'string.regexp.adblock',
+                            'constant.character.escape.regexp',
+                        ],
+                    },
+                    {
+                        fragment: 'js',
+                        scopes: ['text.adblock', 'string.regexp.adblock', 'string.regexp.adblock'],
+                    },
+                    {
+                        fragment: '/',
+                        scopes: [
+                            'text.adblock',
+                            'string.regexp.adblock',
+                            'punctuation.definition.string.end.regexp.adblock',
+                        ],
+                    },
+                ],
+            );
+        });
+
+        test('allowlist rules with modifiers', () => {
+            expect('@@||example.com^$script').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '@@||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.com', scopes: ['text.adblock'] },
+                    { fragment: '^', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'script', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                ],
+            );
+
+            expect('@@||example.com^$script,domain=example.org').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '@@||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.com', scopes: ['text.adblock'] },
+                    { fragment: '^', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'script', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: ',', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'domain', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'example.org', scopes: ['text.adblock', 'string.unquoted.adblock'] },
+                ],
+            );
+        });
+
+        test('allowlist rules with regex modifiers', () => {
+            expect('@@||example.com^$header=via:/^referer/i').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '@@||', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: 'example.com', scopes: ['text.adblock'] },
+                    { fragment: '^', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'header', scopes: ['text.adblock', 'keyword.other.adblock'] },
+                    { fragment: '=', scopes: ['text.adblock', 'keyword.operator.adblock'] },
+                    { fragment: 'via', scopes: ['text.adblock', 'entity.name.tag.adblock'] },
+                    { fragment: ':', scopes: ['text.adblock', 'punctuation.separator.key-value.adblock'] },
+                    {
+                        fragment: '/',
+                        scopes: ['text.adblock', 'punctuation.definition.string.begin.regexp.adblock'],
+                    },
+                    {
+                        fragment: '^',
+                        scopes: ['text.adblock', 'keyword.control.anchor.regexp'],
+                    },
+                    { fragment: 'referer', scopes: ['text.adblock', 'string.regexp.adblock'] },
+                    {
+                        fragment: '/',
+                        scopes: ['text.adblock', 'punctuation.definition.string.end.regexp.adblock'],
+                    },
+                    { fragment: 'i', scopes: ['text.adblock', 'keyword.other.regexp.adblock'] },
+                ],
+            );
+        });
+    });
+
+    describe('invalid', () => {
+        test('patterns', () => {
+            // , should be followed by another modifier
+            expect('$script,').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'script,', scopes: ['text.adblock', 'invalid.illegal.adblock'] },
+                ],
+            );
+
+            // modifier name should contain only valid characters
+            expect('$important!').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'important!', scopes: ['text.adblock', 'invalid.illegal.adblock'] },
+                ],
+            );
+
+            // missing comma
+            expect('$script third-party').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'script third-party', scopes: ['text.adblock', 'invalid.illegal.adblock'] },
+                ],
+            );
+        });
+
+        test('modifiers', () => {
+            // , should be followed by another modifier
+            expect('$script,').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'script,', scopes: ['text.adblock', 'invalid.illegal.adblock'] },
+                ],
+            );
+
+            // modifier name should contain only valid characters
+            expect('$important!').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'important!', scopes: ['text.adblock', 'invalid.illegal.adblock'] },
+                ],
+            );
+
+            // missing comma
+            expect('$script third-party').toBeTokenizedProperly(
+                tokenizer,
+                [
+                    { fragment: '$', scopes: ['text.adblock', 'keyword.control.adblock'] },
+                    { fragment: 'script third-party', scopes: ['text.adblock', 'invalid.illegal.adblock'] },
+                ],
+            );
+        });
+    });
+});
diff --git a/syntaxes/test/integration.ts b/syntaxes/test/integration.ts
new file mode 100644
index 0000000..ed39283
--- /dev/null
+++ b/syntaxes/test/integration.ts
@@ -0,0 +1,201 @@
+/* eslint-disable no-console, n/no-unsupported-features/node-builtins, no-await-in-loop */
+import { createWriteStream } from 'node:fs';
+import * as path from 'node:path';
+import { Readable } from 'node:stream';
+import { pipeline } from 'node:stream/promises';
+
+import chalk from 'chalk';
+import fg from 'fast-glob';
+import * as fs from 'fs-extra';
+import * as tar from 'tar';
+
+import { getAdblockTokenizer } from '../utils/get-adblock-tokenizer';
+
+const TEMP_DIR = path.join(__dirname, '.temp');
+
+const sources = [
+    { name: 'AdGuard Filters', url: 'https://github.com/AdguardTeam/AdguardFilters/archive/refs/heads/master.tar.gz' },
+    { name: 'uBlock Origin', url: 'https://github.com/uBlockOrigin/uAssets/archive/refs/heads/master.tar.gz' },
+];
+
+/**
+ * Represents an invalid token found during filter file analysis.
+ */
+interface InvalidToken {
+    /**
+     * Path to the file containing the invalid token.
+     */
+    file: string;
+    /**
+     * Line number where the invalid token was found (1-indexed).
+     */
+    line: number;
+    /**
+     * Full content of the line containing the invalid token.
+     */
+    lineContent: string;
+    /**
+     * Scopes assigned to the invalid token by the tokenizer.
+     */
+    tokenScopes: string[];
+    /**
+     * Starting index of the invalid token in the line content.
+     */
+    startIndex: number;
+    /**
+     * Ending index of the invalid token in the line content.
+     */
+    endIndex: number;
+}
+
+/**
+ * Downloads a file from a URL to a destination path.
+ *
+ * @param url URL to download from.
+ * @param destPath Destination file path.
+ */
+async function downloadFile(url: string, destPath: string): Promise<void> {
+    const response = await fetch(url);
+    if (!response.ok || !response.body) {
+        throw new Error(`Failed to download ${url}: ${response.statusText}`);
+    }
+
+    await pipeline(
+        Readable.fromWeb(response.body as any),
+        createWriteStream(destPath),
+    );
+}
+
+/**
+ * Extracts a tar.gz file to an output directory using the tar package.
+ *
+ * @param tarPath Path to tar.gz file.
+ * @param outputDir Output directory.
+ *
+ * @returns Promise that resolves when extraction is complete.
+ */
+async function extractTarGz(tarPath: string, outputDir: string): Promise<void> {
+    await fs.ensureDir(outputDir);
+    await tar.extract({
+        file: tarPath,
+        cwd: outputDir,
+    });
+}
+
+/**
+ * Main function to analyze filter files for invalid tokens.
+ */
+async function analyzeFilterFiles(): Promise<void> {
+    console.log(`\n${chalk.bold.cyan('🚀 Starting integration test...')}\n`);
+
+    // Create temp directory
+    await fs.ensureDir(TEMP_DIR);
+
+    const tokenizer = await getAdblockTokenizer();
+    console.log(`${chalk.green('✓ Tokenizer loaded successfully')}\n`);
+
+    const allInvalidTokens: InvalidToken[] = [];
+
+    for (const source of sources) {
+        console.log(chalk.bold.blue(`📦 Processing ${source.name}...`));
+
+        const tarPath = path.join(TEMP_DIR, `${source.name.replace(/\s/g, '_')}.tar.gz`);
+        const extractPath = path.join(TEMP_DIR, source.name.replace(/\s/g, '_'));
+
+        // Download
+        console.log(`  ${chalk.cyan('⬇️  Downloading from')} ${source.url}...`);
+        await downloadFile(source.url, tarPath);
+
+        // Extract
+        console.log(`  ${chalk.yellow('📂 Extracting...')}`);
+        await extractTarGz(tarPath, extractPath);
+
+        // Find all .txt files
+        const txtFiles = await fg('**/*.txt', {
+            cwd: extractPath,
+            absolute: true,
+        });
+
+        console.log(`  ${chalk.magenta(`📄 Found ${txtFiles.length} .txt files`)}`);
+
+        // Analyze each file
+        for (const filePath of txtFiles) {
+            const content = await fs.readFile(filePath, 'utf-8');
+            const lines = content.split(/\r?\n/);
+
+            for (let lineIndex = 0; lineIndex < lines.length; lineIndex += 1) {
+                const line = lines[lineIndex];
+                if (!line.trim()) {
+                    continue;
+                }
+
+                const tokens = tokenizer(line);
+
+                for (const token of tokens) {
+                    const hasInvalidScope = token.scopes.some(
+                        (scope) => scope.startsWith('invalid.illegal'),
+                    );
+
+                    if (hasInvalidScope) {
+                        allInvalidTokens.push({
+                            // file: path.relative(TEMP_DIR, filePath),
+                            file: filePath,
+                            line: lineIndex + 1,
+                            lineContent: line,
+                            tokenScopes: token.scopes,
+                            startIndex: token.startIndex,
+                            endIndex: token.endIndex,
+                        });
+                    }
+                }
+            }
+        }
+
+        console.log(`  ${chalk.green(`✓ Completed ${source.name}`)}\n`);
+    }
+
+    // Report results
+    console.log(`\n${chalk.bold('═'.repeat(80))}`);
+    console.log(chalk.bold.cyan('📊 INTEGRATION TEST RESULTS'));
+    console.log(`${chalk.bold('═'.repeat(80))}\n`);
+
+    if (allInvalidTokens.length === 0) {
+        console.log(
+            `${chalk.bold.green('✅ No invalid tokens found! All filters tokenized successfully.')}\n`,
+        );
+    } else {
+        console.log(
+            `${chalk.bold.yellow(`⚠️  Found ${allInvalidTokens.length} invalid token(s):`)}\n`,
+        );
+
+        for (const invalidToken of allInvalidTokens) {
+            const fragment = invalidToken.lineContent.substring(
+                invalidToken.startIndex,
+                invalidToken.endIndex,
+            );
+
+            // Split content to highlight the invalid token portion
+            const before = invalidToken.lineContent.substring(0, invalidToken.startIndex);
+            const after = invalidToken.lineContent.substring(invalidToken.endIndex);
+            const highlightedContent = `${chalk.white(before)}${chalk.bgRed.white(fragment)}${chalk.white(after)}`;
+
+            console.log(`${chalk.bold.blue('File:')} ${chalk.dim(invalidToken.file)}`);
+            console.log(`${chalk.bold.blue('Line:')} ${chalk.yellow(invalidToken.line)}`);
+            console.log(`${chalk.bold.blue('Content:')} ${highlightedContent}`);
+            console.log(`${chalk.bold.red('Token:')} ${chalk.red(JSON.stringify(fragment))}`);
+            console.log(
+                `${chalk.bold.blue('Scopes:')} ${chalk.magenta(invalidToken.tokenScopes.join(', '))}`,
+            );
+            const position = `${invalidToken.startIndex}-${invalidToken.endIndex}`;
+            console.log(`${chalk.bold.blue('Position:')} ${chalk.cyan(position)}`);
+            console.log(chalk.dim('─'.repeat(80)));
+        }
+    }
+
+    console.log(`\n${chalk.bold.green('✨ Integration test completed.')}`);
+}
+
+analyzeFilterFiles().catch((error) => {
+    console.error('Integration test failed:', error);
+    throw error;
+});
diff --git a/syntaxes/test/setup/custom-matchers/expect-tokenization.ts b/syntaxes/test/setup/custom-matchers/expect-tokenization.ts
index b77b98a..ec47ceb 100644
--- a/syntaxes/test/setup/custom-matchers/expect-tokenization.ts
+++ b/syntaxes/test/setup/custom-matchers/expect-tokenization.ts
@@ -52,6 +52,8 @@ const toBeTokenizedProperly = (
         return {
             pass: false,
             message: () => 'The merged fragments do not match the source, so the expectation is invalid',
+            expected: mergedFragments,
+            actual: receivedParsed,
         };
     }
 
@@ -62,7 +64,9 @@ const toBeTokenizedProperly = (
     if (tokens.length !== expectedTokens.length) {
         return {
             pass: false,
-            message: () => `Expected ${expectedTokens.length} tokens, but got ${tokens.length}`,
+            message: () => 'The number of tokens does not match the number of expected tokens',
+            expected: expectedTokens.length,
+            actual: tokens.length,
         };
     }
 
@@ -70,7 +74,15 @@ const toBeTokenizedProperly = (
 
     // Check that each token matches the expected token
     for (let i = 0; i < tokens.length; i += 1) {
-        const endOffset = offset + expectedTokens[i].fragment.length;
+        const fragmentLength = expectedTokens[i].fragment.length;
+        let endOffset = offset + fragmentLength;
+
+        // tokenizeLine adds a trailing newline. For the last token, check if it extends beyond the source length.
+        // Simple match patterns include the newline (endIndex = length + 1), but begin/end patterns with
+        // embedded grammars don't (endIndex = length).
+        if (i === tokens.length - 1 && tokens[i].endIndex > receivedParsed.length) {
+            endOffset = receivedParsed.length + 1;
+        }
 
         // Check location
         if (tokens[i].startIndex !== offset) {
@@ -78,6 +90,8 @@ const toBeTokenizedProperly = (
                 pass: false,
                 // eslint-disable-next-line max-len, @typescript-eslint/no-loop-func
                 message: () => `Expected token ${i} to start at offset ${offset}, but it starts at offset ${tokens[i].startIndex}`,
+                expected: offset,
+                actual: tokens[i].startIndex,
             };
         }
 
@@ -86,6 +100,8 @@ const toBeTokenizedProperly = (
                 pass: false,
                 // eslint-disable-next-line max-len, @typescript-eslint/no-loop-func
                 message: () => `Expected token ${i} to end at offset ${endOffset}, but it ends at offset ${tokens[i].endIndex}`,
+                expected: endOffset,
+                actual: tokens[i].endIndex,
             };
         }
 
@@ -94,6 +110,8 @@ const toBeTokenizedProperly = (
                 pass: false,
                 // eslint-disable-next-line max-len, @typescript-eslint/no-loop-func
                 message: () => `Expected token ${i} to have scopes [${expectedTokens[i].scopes.join(', ')}], but got [${tokens[i].scopes.join(', ')}]`,
+                expected: expectedTokens[i].scopes,
+                actual: tokens[i].scopes,
             };
         }
 
diff --git a/syntaxes/utils/adblock-grammar-loader.ts b/syntaxes/utils/adblock-grammar-loader.ts
index aff0d42..43ca09c 100644
--- a/syntaxes/utils/adblock-grammar-loader.ts
+++ b/syntaxes/utils/adblock-grammar-loader.ts
@@ -8,6 +8,7 @@ import { join } from 'node:path';
 import { loadWASM, OnigScanner, OnigString } from 'vscode-oniguruma';
 import { type IGrammar, parseRawGrammar, Registry } from 'vscode-textmate';
 
+import { getErrorMessage } from './error';
 import { convertYamlToPlist } from './grammar-converter';
 
 /**
@@ -60,7 +61,30 @@ export async function loadAdblockGrammar(): Promise<IGrammar | null> {
     const wasmBin = await readFile(join(__dirname, '../', 'node_modules/vscode-oniguruma/release/onig.wasm'));
     const vscodeOnigurumaLib = loadWASM(wasmBin).then(() => {
         return {
-            createOnigScanner(patterns: string[]) { return new OnigScanner(patterns); },
+            createOnigScanner(patterns: string[]) {
+                try {
+                    return new OnigScanner(patterns);
+                } catch (error) {
+                    // Make logging more helpful by trying to find the invalid pattern
+                    for (const pattern of patterns) {
+                        try {
+                            new OnigScanner([pattern]);
+                        } catch (e) {
+                            let message: string;
+                            message = 'Invalid pattern:';
+                            message += '\n';
+                            message += pattern;
+                            message += '\n';
+                            message += 'Got error from OnigScanner: ';
+                            message += getErrorMessage(e);
+                            // eslint-disable-next-line no-console
+                            console.error(message);
+                            break;
+                        }
+                    }
+                    throw error;
+                }
+            },
             createOnigString(s: string) { return new OnigString(s); },
         };
     });
diff --git a/syntaxes/utils/get-adblock-tokenizer.ts b/syntaxes/utils/get-adblock-tokenizer.ts
index 9a0218f..94a03ac 100644
--- a/syntaxes/utils/get-adblock-tokenizer.ts
+++ b/syntaxes/utils/get-adblock-tokenizer.ts
@@ -27,7 +27,7 @@ export async function getAdblockTokenizer(): Promise<AdblockTokenizer> {
 
     // Throw an error if the grammar could not be loaded
     if (result === null) {
-        throw new Error('Couldn\'t load the adblock grammar');
+        throw new Error('Could not load the adblock grammar');
     }
 
     return (source: string) => result.tokenizeLine(source, INITIAL).tokens;
diff --git a/test/static/rules/test_rules.txt b/test/static/rules/test_rules.txt
index 51f2814..ef169f5 100644
--- a/test/static/rules/test_rules.txt
+++ b/test/static/rules/test_rules.txt
@@ -498,3 +498,63 @@ example.com#@$#abp-snippet0 arg0 arg1 arg2
 ! empty exception rule should be valid
 #@%#//scriptlet()
 #@%#//scriptlet( )
+
+! https://github.com/AdguardTeam/VscodeAdblockSyntax/issues/120
+||example.com^
+||example.com^$unknown
+||example.com^$to=com|org|net
+||example.com^$domain=/example[0-9]\.(com|org)/|another.com
+||example.org^$replace=/(<VAST[\s\S]*?>)[\s\S]*<\/VAST>/\$1<\/VAST>/i
+$replace=/(<VAST[\s\S]*?>)[\s\S]*<\/VAST>/\$1<\/VAST>/i,domain=/example[0-9]\.(com|org)/|another.com
+$foo = bar ,  baz
+||example.com^$script  , aaa
+pattern-without-modifiers
+pattern-with-modifiers$modifier=value,another-modifier=another-value
+/regex-pattern/
+/regex-pattern/$document,domain=/example[0-9]\.(com|org)/|another.com
+/^regex-pattern$/$modifier=value
+@@||example.com/$rpc/google.*/Create$domain=example.org,stealth
+! from https://github.com/AdguardTeam/VscodeAdblockSyntax/issues/71
+/^(https?://)?[a-z]{10,12}\.easy\.co($|/.*$)/$document
+! https://github.com/uBlockOrigin/uAssets/blob/128d48c6301aec93cf7bea53927f53621dacf3d7/filters/filters-2024.txt#L1998
+||tokopedia.com/graphql/InspirationCarousel$xhr,replace=/\{"id":\d{9,11}(?:(?!"ads":\{"id":"").)+?"ads":\{"id":"\d+".+?"__typename":"ProductCarouselV2"\},?//g
+! https://github.com/uBlockOrigin/uAssets/blob/128d48c6301aec93cf7bea53927f53621dacf3d7/filters/privacy.txt#L670
+||pstmrk.it/*/$doc,to=click.pstmrk.it|track.pstmrk.it,urlskip=/\.pstmrk\.it\/[23][mst]{0,2}\/([^\/?#]+)/ -uricomponent +https
+! https://github.com/uBlockOrigin/uAssets/blob/128d48c6301aec93cf7bea53927f53621dacf3d7/filters/badware.txt#L2953
+/^https:\/\/[a-z]{10,}\.[a-z]{3,4}\/(?:engine|track)-[a-f0-9]{8}\.js$/$script,3p,to=~edu|~gov,header=vary:/^referer\,accept-encoding/i
+! https://github.com/uBlockOrigin/uAssets/blob/128d48c6301aec93cf7bea53927f53621dacf3d7/filters/privacy.txt#L442
+/^https:\/\/[0-9a-z]{7,25}\.com\/(?:assets|build|bundles|chunks|dist|files|j|public|scripts|static)?\/?(?:js\/)?[0-9_a-z]{6,16}\/?[0-9_a-z]{5,120}(?:[-.](?:app|bundle|ma?in|module|prod|index|v\d|vendor))?(?:\.js)?$/$script,3p,match-case,to=~adatoolbar.com|~aswpsdkus.com|~chimpstatic.com|~clickiocmp.com|~mojirater.com|~polldaddy.com|~squareoffs.com|~succeedscene.com|~tallysight.com|~veraviews.com,header=via:/, 1\.1 google$/
+! https://github.com/uBlockOrigin/uAssets/blob/128d48c6301aec93cf7bea53927f53621dacf3d7/filters/quick-fixes.txt#L231
+/^https:\/\/[a-z0-9]{2,}-[a-z0-9]{8}\.(?:com|nl)\/[a-z0-9-]+/[a-z0-9]{12}\b/$frame,3p,match-case,to=com|nl,ipaddress=/^(1(72\.67\.\d{3}|04\.21\.\d+)\.\d+|188\.114\.9[67]\.[08]|64:ff9b::[a-f0-9]{4}:[a-f0-9]{1,4})$/,replace='/^/<script>(()=>{window.open=new Proxy(window.open,{apply:(n,o,w)=>{}});let e=document.querySelector("script");e.innerHTML.includes("window.open")&&e.parentElement.removeChild(e)})();<\/script>/i'
+! Invalid ones
+$script   aaa
+$important!
+pattern$modifier=other|a-third-party-b,aa3p_1p_-{,a
+
+! https://github.com/AdguardTeam/VscodeAdblockSyntax/issues/137
+||example.com^$urlskip=?q ?url
+||example.com^$urltransform=/a/b/
+||example.com^$ipaddress=0.0.0.0
+
+! https://github.com/AdguardTeam/VscodeAdblockSyntax/issues/131
+||www.amazon.$removeparam=/^[a-z_]{1,20}=[a-zA-Z0-9._-]{80,}$/
+
+! https://github.com/AdguardTeam/VscodeAdblockSyntax/issues/93
+@@||example.com^$extension="AdGuard Assistant"
+@@||example.com^$extension=~"AdGuard Assistant"|~"AdGuard Popup Blocker"
+||example.com^$referrerpolicy=unsafe-url
+@@||example.com^$referrerpolicy=unsafe-url
+@@||example.com/abcd.html^$referrerpolicy
+||example.com^$method=GET|POST|PUT
+/ads$to=evil.com|evil.org
+/ads$to=~not.evil.com|evil.com
+@@||example.com^$stealth
+@@||domain.com^$script,stealth,domain=example.com
+
+! https://github.com/AdguardTeam/VscodeAdblockSyntax/issues/134
+[$domain=/example[0-9]\.(com|org)/]##.ad
+[$domain=/example\d{1,}\.(com|org)/]##.ad
+
+! https://github.com/AdguardTeam/VscodeAdblockSyntax/issues/151
+[$path=/subpage1]testcases.agrd.dev,pages.dev#%#window.__case13=true;
+[$path=/subpage2]testcases.agrd.dev,pages.dev#%#window.__case14=true;