grep weeknumber

Author: wilgert

.github/workflows/main.yml

@@ -8,10 +8,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+      - uses: nelonoel/branch-name@v1
       - name: Run a one-line script
         run: echo Hello, world!
-      - uses: nelonoel/branch-name@v1
-      - run: echo ${BRANCH_NAME}
+      - run: echo ${BRANCH_NAME} | grep -P -q '/w(?:eek)?[-_]?(\d{1})/'
       - name: Run a multi-line script
         run: |
           echo Add other actions to build,