NO-ISSUE fix: if expression

.gitea/workflows/pr-title-check.yaml

@@ -15,6 +15,9 @@ jobs:
         run: |
           title="${{ gitea.event.pull_request.title }}"
           echo "Checking PR title: $title"
-          echo "$title" | grep -qE '^(BLOG-[0-9]+|NO-ISSUE) [A-Z].+$' \
-            && echo 'Pass' \
-            || (echo 'The title is not meet the format `BLOG-XXX Title title title`'; exit 1)
+          if [[ ! "$title" =~ '^(BLOG-[0-9]+|NO-ISSUE) [A-Z].+$' ]]; then
+            echo 'The title is not meet the format `BLOG-XXX Title title title`'
+            exit 1
+          else
+            echo 'Pass'
+          fi