diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 11ec2ca6b..6999ce302 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -25,8 +25,8 @@ jobs:
     steps:
       - name: Lint PR Title
         run: |
-          REGEX="^(fix|feat|refactor|revert|test|perf|style|chore|docs): [a-z][^.]{0,60}( \\(\\#\\d+\\))?$"
-          if echo "${PR_TITLE}" | grep -Eq "${REGEX}"; then
+          REGEX="^(fix|feat|refactor|revert|test|perf|style|chore|docs): [a-z][^.\n]{0,60}$"
+          if [[ "${PR_TITLE}" =~ ${REGEX} ]]; then
             echo -e "PR title is valid: ${PR_TITLE}"
           else
             echo -e "Invalid PR title: ${PR_TITLE}"