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Fix/strip markdown #14

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Fix/strip markdown #14

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2f6099a
To write a automated test
Dec 4, 2023
b729bf9
add another expression for detecting markdown
Dec 4, 2023
efa35a4
test update
Dec 7, 2023
3913c0d
leverage additional use cases
Dec 13, 2023
1091fde
Refactor text normalization and counting methods
Jan 25, 2024
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7 changes: 6 additions & 1 deletion src/Albatross.Expression.Test/Operations/TextOperationTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,7 @@ public class TextOperationTests
[TestCase("wordCount(\"**Bold **_Italic_ ~~StrikeThrough~~ **_~~BoldItalicStrikeThrough~~_****_ BoldItalic_** _~~ItalicStrikeThrough~~__ _**~~BoldStrikeThrough~~**\")", ExpectedResult = 7)]
[TestCase("wordCount(\"> Block Quote\\n\\n`Code`\\n\\n Code Block\\n\\nEmoji \\n\\n[Link](https://stackedit.io/app#)\")", ExpectedResult = 7)]
[TestCase("wordCount(\"1. LevelOne\\n\\n2. LevelTwo\\n\\n\\n\\n* LevelOne\\n\\n* LevelTwo\")", ExpectedResult = 4)]
[TestCase("wordCount(\"1. **Bold**\\n\\n2. **_BoldItalic_**\\n\\n3. **_~~BoldItalicStrikeThrough~~_**\\n\\n4. [Link](http://asdasdasdad@dasfv/asdqw)\\n\\n5. Emoji 2 \ud83d\ude07 \ud83d\ude17\")", ExpectedResult = 6)]

// Char Count
[TestCase("charCount(\"123\")", ExpectedResult = 3)]
Expand All @@ -102,7 +103,11 @@ public class TextOperationTests
[TestCase("charCount(\"**Bold **_Italic_ ~~StrikeThrough~~ **_~~BoldItalicStrikeThrough~~_****_ BoldItalic_** _~~ItalicStrikeThrough~~__ _**~~BoldStrikeThrough~~**\")", ExpectedResult = 96)]
[TestCase("charCount(\"> Block Quote\\n\\n`Code`\\n\\n Code Block\\n\\nEmoji \\n\\n[Link](https://stackedit.io/app#)\")", ExpectedResult = 32)]
[TestCase("charCount(\"1. LevelOne\\n\\n2. LevelTwo\\n\\n\\n\\n* LevelOne\\n\\n* LevelTwo\")", ExpectedResult = 32)]

[TestCase("charCount(\"1. **Bold**\\n\\n2. **_BoldItalic_**\\n\\n3. **_~~BoldItalicStrikeThrough~~_**\\n\\n4. [Link](http://asdasdasdad@dasfv/asdqw)\\n\\n5. Emoji 2 \ud83d\ude07 \ud83d\ude17\")", ExpectedResult = 47)]
[TestCase("charCount(\"[IRFAN](https://testqa.workiom.club/app/apps/b226f5a6-7a1a-41be-ac89-546bd3084bf5/list/1f815325-d905-49e5-8976-c26dafff4f89/394417) IRFAN\")", ExpectedResult = 10)]
[TestCase("charCount(\"IRFAN 💫\")", ExpectedResult = 5)]
[TestCase("charCount(\"IRFAN\\n=====\")", ExpectedResult = 5)]
[TestCase("charCount(\"> IRFAN\")", ExpectedResult = 5)]
public object OperationsTesting(string expression)
{
return Factory.Instance.Create().Compile(expression).EvalValue(null);
Expand Down
78 changes: 51 additions & 27 deletions src/Albatross.Expression/Extension.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -130,23 +130,55 @@ public static IToken Compile(this IParser parser, string expression)

public static bool TryNormalizeText(this string text, out string normalizedText)
{
// Replace All \n to into \\n so it can be seen as a new line
normalizedText = null;

text = text.Replace("\\n", "\n");

// Regular expression pattern to check for basic Markdown elements
string markdownPattern = @"^(\s*#+\s+|\*|\d+\.\s+|\-|\+|\[\!\[.*\]\(.*\)\]\(.*\)|\[\w+.*\]:\s*http[s]?://\S+|```[\s\S]+?```|\|.*\|.*\|)|(!\[[^\]]*\]\([^\)]*\)|\[[^\]]*\]\([^\)]*\)|\*\*.*\*\*|__.*__|\*.*\*|_.*_|`[^`]*`|\[.*\]\(.*\)|<.*>)$";
if (!IsMarkdown(text))
return false;

Regex regex = new Regex(markdownPattern, RegexOptions.Multiline);
text = text.StripEmojis();

var html = text.ConvertMarkdownToHtml();
var plainText = html.ConvertHtmlToPlainText();
plainText = plainText.StripMarkdown();
normalizedText = plainText.Trim();

if (!regex.IsMatch(text))
{
normalizedText = null;
return false;
}
return normalizedText != null;
}

public static bool IsMarkdown(this string text)
{
var markdownPattern =
@"^(#|##|###|####|#####|######|\*{1,3}|_{1,3}|\[.*?\]\(.*?\)|!\[.*?\]\(.*?\)|\d+\.\s|```[\s\S]+?```|\|.*\|.*\|)|(!\[[^\]]*\]\([^\)]*\)|\[[^\]]*\]\([^\)]*\)|\*\*.*\*\*|__.*__|\*.*\*|_.*_|`[^`]*`|\[.*\]\(.*\)|<.*>)$|^[\s\S]*$";

var regex = new Regex(markdownPattern, RegexOptions.Multiline);

return regex.IsMatch(text);
}

public static string ConvertHtmlToPlainText(this string html)
{
var doc = new HtmlDocument();
doc.LoadHtml(html);

return doc.DocumentNode.InnerText;
}

public static string ConvertMarkdownToHtml(this string markdown)
{
var html = CommonMark.CommonMarkConverter.Convert(markdown);

// Convert it to Html and then to plain text
text = ConvertHtmlToPlainText(CommonMark.CommonMarkConverter.Convert(text));
string pattern = @"<code>(.*?)<\/code>";
string result = Regex.Replace(html, pattern, $"<code> $1 </code>");

return result;
}

public static string StripMarkdown(this string markdown)
{
var text = markdown;

// Remove all markdown tags
text = Regex.Replace(text, "\n=+", ""); // Headers
text = Regex.Replace(text, @"\*\*(.*?)\*\*", "$1", RegexOptions.Multiline); // Remove bold tags
Expand All @@ -163,30 +195,22 @@ public static bool TryNormalizeText(this string text, out string normalizedText)
text = Regex.Replace(text, @"\|.*?\|(\n\|.*?\|)*", ""); // Remove table tags

// Replace escape sequences with white space
text = Regex.Replace(text, @"\\[abfnrt\'\""\0]|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}",
" ");
text = Regex.Replace(text, @"\\[abfnrt\'\""\0]|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}", " ");

// Add regex to remove escape sequences
text = Regex.Replace(text, @"\\[nt\""']+", "");

normalizedText = text.Trim(); // Trim leading and trailing spaces

return true;
return text;
}

#endregion

#region Utilities

private static string ConvertHtmlToPlainText(string html)

public static string StripEmojis(this string text)
{
var doc = new HtmlDocument();
doc.LoadHtml(html);
var emojiPattern =
"\\uD83D(?:\\uDC68(?:\\uD83C(?:[\\uDFFB-\\uDFFF]\\u200D(?:\\u2764\\uFE0F?\\u200D\\uD83D(?:\\uDC8B\\u200D\\uD83D)?\\uDC68\\uD83C[\\uDFFB-\\uDFFF]|\\uD83E(?:\\uDD1D\\u200D\\uD83D\\uDC68\\uD83C[\\uDFFB-\\uDFFF]|[\\uDDAF-\\uDDB3\\uDDBC\\uDDBD])|[\\u2695\\u2696\\u2708]\\uFE0F?|\\uD83C[\\uDF3E\\uDF73\\uDF7C\\uDF93\\uDFA4\\uDFA8\\uDFEB\\uDFED]|\\uD83D[\\uDCBB\\uDCBC\\uDD27\\uDD2C\\uDE80\\uDE92])|[\\uDFFB-\\uDFFF])|\\u200D(?:\\u2764\\uFE0F?\\u200D\\uD83D(?:\\uDC8B\\u200D\\uD83D)?\\uDC68|\\uD83D(?:(?:[\\uDC68\\uDC69]\\u200D\\uD83D)?(?:\\uDC66(?:\\u200D\\uD83D\\uDC66)?|\\uDC67(?:\\u200D\\uD83D[\\uDC66\\uDC67])?)|[\\uDCBB\\uDCBC\\uDD27\\uDD2C\\uDE80\\uDE92])|[\\u2695\\u2696\\u2708]\\uFE0F?|\\uD83C[\\uDF3E\\uDF73\\uDF7C\\uDF93\\uDFA4\\uDFA8\\uDFEB\\uDFED]|\\uD83E[\\uDDAF-\\uDDB3\\uDDBC\\uDDBD]))?|\\uDC69(?:\\uD83C(?:[\\uDFFB-\\uDFFF]\\u200D(?:\\u2764\\uFE0F?\\u200D\\uD83D(?:\\uDC8B\\u200D\\uD83D[\\uDC68\\uDC69]|[\\uDC68\\uDC69])\\uD83C[\\uDFFB-\\uDFFF]|\\uD83E(?:\\uDD1D\\u200D\\uD83D[\\uDC68\\uDC69]\\uD83C[\\uDFFB-\\uDFFF]|[\\uDDAF-\\uDDB3\\uDDBC\\uDDBD])|[\\u2695\\u2696\\u2708]\\uFE0F?|\\uD83C[\\uDF3E\\uDF73\\uDF7C\\uDF93\\uDFA4\\uDFA8\\uDFEB\\uDFED]|\\uD83D[\\uDCBB\\uDCBC\\uDD27\\uDD2C\\uDE80\\uDE92])|[\\uDFFB-\\uDFFF])|\\u200D(?:\\u2764\\uFE0F?\\u200D\\uD83D(?:\\uDC8B\\u200D\\uD83D[\\uDC68\\uDC69]|[\\uDC68\\uDC69])|\\uD83D(?:(?:\\uDC69\\u200D\\uD83D)?(?:\\uDC66(?:\\u200D\\uD83D\\uDC66)?|\\uDC67(?:\\u200D\\uD83D[\\uDC66\\uDC67])?)|[\\uDCBB\\uDCBC\\uDD27\\uDD2C\\uDE80\\uDE92])|[\\u2695\\u2696\\u2708]\\uFE0F?|\\uD83C[\\uDF3E\\uDF73\\uDF7C\\uDF93\\uDFA4\\uDFA8\\uDFEB\\uDFED]|\\uD83E[\\uDDAF-\\uDDB3\\uDDBC\\uDDBD]))?|(?:\\uDD75(?:\\uD83C[\\uDFFB-\\uDFFF]|\\uFE0F)?|\\uDC6F)(?:\\u200D[\\u2640\\u2642]\\uFE0F?)?|[\\uDC6E\\uDC70\\uDC71\\uDC73\\uDC77\\uDC81\\uDC82\\uDC86\\uDC87\\uDE45-\\uDE47\\uDE4B\\uDE4D\\uDE4E\\uDEA3\\uDEB4-\\uDEB6](?:\\uD83C[\\uDFFB-\\uDFFF](?:\\u200D[\\u2640\\u2642]\\uFE0F?)?|\\u200D[\\u2640\\u2642]\\uFE0F?)?|\\uDC41(?:\\uFE0F(?:\\u200D\\uD83D\\uDDE8\\uFE0F?)?|\\u200D\\uD83D\\uDDE8\\uFE0F?)?|\\uDE36(?:\\u200D\\uD83C\\uDF2B\\uFE0F?)?|\\uDC15(?:\\u200D\\uD83E\\uDDBA)?|\\uDC3B(?:\\u200D\\u2744\\uFE0F?)?|\\uDE2E(?:\\u200D\\uD83D\\uDCA8)?|\\uDE35(?:\\u200D\\uD83D\\uDCAB)?|[\\uDC42\\uDC43\\uDC46-\\uDC50\\uDC66\\uDC67\\uDC6B-\\uDC6D\\uDC72\\uDC74-\\uDC76\\uDC78\\uDC7C\\uDC83\\uDC85\\uDC8F\\uDC91\\uDCAA\\uDD7A\\uDD95\\uDD96\\uDE4C\\uDE4F\\uDEC0\\uDECC](?:\\uD83C[\\uDFFB-\\uDFFF])?|[\\uDD74\\uDD90]\\uD83C[\\uDFFB-\\uDFFF]|\\uDC08(?:\\u200D\\u2B1B)?|[\\uDC3F\\uDCFD\\uDD49\\uDD4A\\uDD6F\\uDD70\\uDD73\\uDD74\\uDD76-\\uDD79\\uDD87\\uDD8A-\\uDD8D\\uDD90\\uDDA5\\uDDA8\\uDDB1\\uDDB2\\uDDBC\\uDDC2-\\uDDC4\\uDDD1-\\uDDD3\\uDDDC-\\uDDDE\\uDDE1\\uDDE3\\uDDE8\\uDDEF\\uDDF3\\uDDFA\\uDECB\\uDECD-\\uDECF\\uDEE0-\\uDEE5\\uDEE9\\uDEF0\\uDEF3]\\uFE0F?|[\\uDC00-\\uDC07\\uDC09-\\uDC14\\uDC16-\\uDC3A\\uDC3C-\\uDC3E\\uDC40\\uDC44\\uDC45\\uDC51-\\uDC65\\uDC6A\\uDC79-\\uDC7B\\uDC7D-\\uDC80\\uDC84\\uDC88-\\uDC8E\\uDC90\\uDC92-\\uDCA9\\uDCAB-\\uDCFC\\uDCFF-\\uDD3D\\uDD4B-\\uDD4E\\uDD50-\\uDD67\\uDDA4\\uDDFB-\\uDE2D\\uDE2F-\\uDE34\\uDE37-\\uDE44\\uDE48-\\uDE4A\\uDE80-\\uDEA2\\uDEA4-\\uDEB3\\uDEB7-\\uDEBF\\uDEC1-\\uDEC5\\uDED0-\\uDED2\\uDED5-\\uDED7\\uDEEB\\uDEEC\\uDEF4-\\uDEFC\\uDFE0-\\uDFEB])|\\uD83E(?:\\uDDD1(?:\\uD83C(?:[\\uDFFB-\\uDFFF]\\u200D(?:\\u2764\\uFE0F?\\u200D(?:\\uD83D\\uDC8B\\u200D)?\\uD83E\\uDDD1\\uD83C[\\uDFFB-\\uDFFF]|\\uD83E(?:\\uDD1D\\u200D\\uD83E\\uDDD1\\uD83C[\\uDFFB-\\uDFFF]|[\\uDDAF-\\uDDB3\\uDDBC\\uDDBD])|[\\u2695\\u2696\\u2708]\\uFE0F?|\\uD83C[\\uDF3E\\uDF73\\uDF7C\\uDF84\\uDF93\\uDFA4\\uDFA8\\uDFEB\\uDFED]|\\uD83D[\\uDCBB\\uDCBC\\uDD27\\uDD2C\\uDE80\\uDE92])|[\\uDFFB-\\uDFFF])|\\u200D(?:\\uD83E(?:\\uDD1D\\u200D\\uD83E\\uDDD1|[\\uDDAF-\\uDDB3\\uDDBC\\uDDBD])|[\\u2695\\u2696\\u2708]\\uFE0F?|\\uD83C[\\uDF3E\\uDF73\\uDF7C\\uDF84\\uDF93\\uDFA4\\uDFA8\\uDFEB\\uDFED]|\\uD83D[\\uDCBB\\uDCBC\\uDD27\\uDD2C\\uDE80\\uDE92]))?|[\\uDD26\\uDD35\\uDD37-\\uDD39\\uDD3D\\uDD3E\\uDDB8\\uDDB9\\uDDCD-\\uDDCF\\uDDD4\\uDDD6-\\uDDDD](?:\\uD83C[\\uDFFB-\\uDFFF](?:\\u200D[\\u2640\\u2642]\\uFE0F?)?|\\u200D[\\u2640\\u2642]\\uFE0F?)?|[\\uDD3C\\uDDDE\\uDDDF](?:\\u200D[\\u2640\\u2642]\\uFE0F?)?|[\\uDD0C\\uDD0F\\uDD18-\\uDD1C\\uDD1E\\uDD1F\\uDD30-\\uDD34\\uDD36\\uDD77\\uDDB5\\uDDB6\\uDDBB\\uDDD2\\uDDD3\\uDDD5](?:\\uD83C[\\uDFFB-\\uDFFF])?|[\\uDD0D\\uDD0E\\uDD10-\\uDD17\\uDD1D\\uDD20-\\uDD25\\uDD27-\\uDD2F\\uDD3A\\uDD3F-\\uDD45\\uDD47-\\uDD76\\uDD78\\uDD7A-\\uDDB4\\uDDB7\\uDDBA\\uDDBC-\\uDDCB\\uDDD0\\uDDE0-\\uDDFF\\uDE70-\\uDE74\\uDE78-\\uDE7A\\uDE80-\\uDE86\\uDE90-\\uDEA8\\uDEB0-\\uDEB6\\uDEC0-\\uDEC2\\uDED0-\\uDED6])|\\uD83C(?:\\uDFF4(?:\\uDB40\\uDC67\\uDB40\\uDC62\\uDB40(?:\\uDC65\\uDB40\\uDC6E\\uDB40\\uDC67|\\uDC73\\uDB40\\uDC63\\uDB40\\uDC74|\\uDC77\\uDB40\\uDC6C\\uDB40\\uDC73)\\uDB40\\uDC7F|\\u200D\\u2620\\uFE0F?)?|[\\uDFC3\\uDFC4\\uDFCA](?:\\uD83C[\\uDFFB-\\uDFFF](?:\\u200D[\\u2640\\u2642]\\uFE0F?)?|\\u200D[\\u2640\\u2642]\\uFE0F?)?|[\\uDFCB\\uDFCC](?:\\uD83C[\\uDFFB-\\uDFFF]|\\uFE0F)(?:\\u200D[\\u2640\\u2642]\\uFE0F?)?|\\uDFF3(?:\\uFE0F(?:\\u200D(?:\\u26A7\\uFE0F?|\\uD83C\\uDF08))?|\\u200D(?:\\u26A7\\uFE0F?|\\uD83C\\uDF08))?|(?:[\\uDFCB\\uDFCC]\\u200D[\\u2640\\u2642]|[\\uDD70\\uDD71\\uDD7E\\uDD7F\\uDE02\\uDE37\\uDF21\\uDF24-\\uDF2C\\uDF36\\uDF7D\\uDF96\\uDF97\\uDF99-\\uDF9B\\uDF9E\\uDF9F\\uDFCD\\uDFCE\\uDFD4-\\uDFDF\\uDFF5\\uDFF7])\\uFE0F?|[\\uDF85\\uDFC2\\uDFC7](?:\\uD83C[\\uDFFB-\\uDFFF])?|\\uDDE6\\uD83C[\\uDDE8-\\uDDEC\\uDDEE\\uDDF1\\uDDF2\\uDDF4\\uDDF6-\\uDDFA\\uDDFC\\uDDFD\\uDDFF]|\\uDDE7\\uD83C[\\uDDE6\\uDDE7\\uDDE9-\\uDDEF\\uDDF1-\\uDDF4\\uDDF6-\\uDDF9\\uDDFB\\uDDFC\\uDDFE\\uDDFF]|\\uDDE8\\uD83C[\\uDDE6\\uDDE8\\uDDE9\\uDDEB-\\uDDEE\\uDDF0-\\uDDF5\\uDDF7\\uDDFA-\\uDDFF]|\\uDDE9\\uD83C[\\uDDEA\\uDDEC\\uDDEF\\uDDF0\\uDDF2\\uDDF4\\uDDFF]|\\uDDEA\\uD83C[\\uDDE6\\uDDE8\\uDDEA\\uDDEC\\uDDED\\uDDF7-\\uDDFA]|\\uDDEB\\uD83C[\\uDDEE-\\uDDF0\\uDDF2\\uDDF4\\uDDF7]|\\uDDEC\\uD83C[\\uDDE6\\uDDE7\\uDDE9-\\uDDEE\\uDDF1-\\uDDF3\\uDDF5-\\uDDFA\\uDDFC\\uDDFE]|\\uDDED\\uD83C[\\uDDF0\\uDDF2\\uDDF3\\uDDF7\\uDDF9\\uDDFA]|\\uDDEE\\uD83C[\\uDDE8-\\uDDEA\\uDDF1-\\uDDF4\\uDDF6-\\uDDF9]|\\uDDEF\\uD83C[\\uDDEA\\uDDF2\\uDDF4\\uDDF5]|\\uDDF0\\uD83C[\\uDDEA\\uDDEC-\\uDDEE\\uDDF2\\uDDF3\\uDDF5\\uDDF7\\uDDFC\\uDDFE\\uDDFF]|\\uDDF1\\uD83C[\\uDDE6-\\uDDE8\\uDDEE\\uDDF0\\uDDF7-\\uDDFB\\uDDFE]|\\uDDF2\\uD83C[\\uDDE6\\uDDE8-\\uDDED\\uDDF0-\\uDDFF]|\\uDDF3\\uD83C[\\uDDE6\\uDDE8\\uDDEA-\\uDDEC\\uDDEE\\uDDF1\\uDDF4\\uDDF5\\uDDF7\\uDDFA\\uDDFF]|\\uDDF4\\uD83C\\uDDF2|\\uDDF5\\uD83C[\\uDDE6\\uDDEA-\\uDDED\\uDDF0-\\uDDF3\\uDDF7-\\uDDF9\\uDDFC\\uDDFE]|\\uDDF6\\uD83C\\uDDE6|\\uDDF7\\uD83C[\\uDDEA\\uDDF4\\uDDF8\\uDDFA\\uDDFC]|\\uDDF8\\uD83C[\\uDDE6-\\uDDEA\\uDDEC-\\uDDF4\\uDDF7-\\uDDF9\\uDDFB\\uDDFD-\\uDDFF]|\\uDDF9\\uD83C[\\uDDE6\\uDDE8\\uDDE9\\uDDEB-\\uDDED\\uDDEF-\\uDDF4\\uDDF7\\uDDF9\\uDDFB\\uDDFC\\uDDFF]|\\uDDFA\\uD83C[\\uDDE6\\uDDEC\\uDDF2\\uDDF3\\uDDF8\\uDDFE\\uDDFF]|\\uDDFB\\uD83C[\\uDDE6\\uDDE8\\uDDEA\\uDDEC\\uDDEE\\uDDF3\\uDDFA]|\\uDDFC\\uD83C[\\uDDEB\\uDDF8]|\\uDDFD\\uD83C\\uDDF0|\\uDDFE\\uD83C[\\uDDEA\\uDDF9]|\\uDDFF\\uD83C[\\uDDE6\\uDDF2\\uDDFC]|[\\uDC04\\uDCCF\\uDD8E\\uDD91-\\uDD9A\\uDE01\\uDE1A\\uDE2F\\uDE32-\\uDE36\\uDE38-\\uDE3A\\uDE50\\uDE51\\uDF00-\\uDF20\\uDF2D-\\uDF35\\uDF37-\\uDF7C\\uDF7E-\\uDF84\\uDF86-\\uDF93\\uDFA0-\\uDFC1\\uDFC5\\uDFC6\\uDFC8\\uDFC9\\uDFCB\\uDFCC\\uDFCF-\\uDFD3\\uDFE0-\\uDFF0\\uDFF8-\\uDFFF])|\\u26F9(?:(?:\\uD83C[\\uDFFB-\\uDFFF]|\\uFE0F)(?:\\u200D[\\u2640\\u2642]\\uFE0F?)?|\\u200D[\\u2640\\u2642]\\uFE0F?)?|\\u2764(?:\\uFE0F(?:\\u200D(?:\\uD83D\\uDD25|\\uD83E\\uDE79))?|\\u200D(?:\\uD83D\\uDD25|\\uD83E\\uDE79))?|[\\#\\*0-9]\\uFE0F?\\u20E3|[\\u261D\\u270C\\u270D]\\uD83C[\\uDFFB-\\uDFFF]|[\\u270A\\u270B](?:\\uD83C[\\uDFFB-\\uDFFF])?|[\\u00A9\\u00AE\\u203C\\u2049\\u2122\\u2139\\u2194-\\u2199\\u21A9\\u21AA\\u2328\\u23CF\\u23ED-\\u23EF\\u23F1\\u23F2\\u23F8-\\u23FA\\u24C2\\u25AA\\u25AB\\u25B6\\u25C0\\u25FB\\u25FC\\u2600-\\u2604\\u260E\\u2611\\u2618\\u261D\\u2620\\u2622\\u2623\\u2626\\u262A\\u262E\\u262F\\u2638-\\u263A\\u2640\\u2642\\u265F\\u2660\\u2663\\u2665\\u2666\\u2668\\u267B\\u267E\\u2692\\u2694-\\u2697\\u2699\\u269B\\u269C\\u26A0\\u26A7\\u26B0\\u26B1\\u26C8\\u26CF\\u26D1\\u26D3\\u26E9\\u26F0\\u26F1\\u26F4\\u26F7\\u26F8\\u2702\\u2708\\u2709\\u270C\\u270D\\u270F\\u2712\\u2714\\u2716\\u271D\\u2721\\u2733\\u2734\\u2744\\u2747\\u2763\\u27A1\\u2934\\u2935\\u2B05-\\u2B07\\u3030\\u303D\\u3297\\u3299]\\uFE0F?|[\\u231A\\u231B\\u23E9-\\u23EC\\u23F0\\u23F3\\u25FD\\u25FE\\u2614\\u2615\\u2648-\\u2653\\u267F\\u2693\\u26A1\\u26AA\\u26AB\\u26BD\\u26BE\\u26C4\\u26C5\\u26CE\\u26D4\\u26EA\\u26F2\\u26F3\\u26F5\\u26FA\\u26FD\\u2705\\u2728\\u274C\\u274E\\u2753-\\u2755\\u2757\\u2795-\\u2797\\u27B0\\u27BF\\u2B1B\\u2B1C\\u2B50\\u2B55]\n";
text = Regex.Replace(text, emojiPattern, " ");

// Use HtmlAgilityPack to extract text from HTML
return doc.DocumentNode.InnerText;
return text;
}

#endregion
}
}
9 changes: 3 additions & 6 deletions src/Albatross.Expression/Functions/Text/CharCount.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -48,23 +48,20 @@ public override object EvalValue(Func<string, object> context)
}
}

private double CountChars(string text)
private static double CountChars(string text)
{
// Strip of markdown syntax
text = text.Trim();

var result = text.TryNormalizeText(out string normalizedText);

if (result)
{
text = normalizedText;
}

// Define the pattern to match non-space characters
string pattern = @"\S";

// Use Regex.Matches to find all matches
MatchCollection matches = Regex.Matches(text, pattern);

// Count the number of matches
var charCount = (double)matches.Count;

return charCount;
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9 changes: 3 additions & 6 deletions src/Albatross.Expression/Functions/Text/WordCount.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -48,23 +48,20 @@ public override object EvalValue(Func<string, object> context)
}
}

private double CountWords(string text)
private static double CountWords(string text)
{
// Strip of markdown syntax
text = text.Trim();

var result = text.TryNormalizeText(out string normalizedText);

if (result)
{
text = normalizedText;
}

// Define a regular expression pattern for matching words
string pattern = @"\b\w+\b";

// Use Regex.Matches to find all matches in the input text
MatchCollection matches = Regex.Matches(text, pattern);

// The Count property of MatchCollection gives the number of matches
var wordCount = (double)matches.Count;

return wordCount;
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