try refile regex and other syntax to only get real fails

Author: rosieyohannan

.circleci/config.yml

@@ -130,9 +130,9 @@ jobs:
             # Handle path prefix and ignore search template placeholders
             htmlproofer ./build \
               --ignore-empty-alt \
-              --swap-urls "^/docs/:/" \
-              --ignore-urls "^/docs/_/,^\\[url\\]$,^\\[path\\]$,https://circleci.com/api/v1.1/me" \
-              --ignore-status-codes "999"
+              --swap-urls '^/docs/:/' \
+              --ignore-urls '/docs/_/,\[url\],\[path\],https://circleci.com/api/v1.1/me' \
+              --ignore-status-codes '999'
       - notify_error:
           message: "Validation job failed for branch ${CIRCLE_BRANCH}"