This action checks if the JIRA ticket with it's url is present in the PR description. It is using Regex that checks for valid markdown formatting with correct JIRA ticket.
Examples:
[JIRA-1](https://jira.com/JIRA-123) - Valid
[JIRA-1](https://jira.com) - Invalid (Missing JIRA ticket at the end of the URL)
uses: actions/check-pr-description-for-jira-ticket@v1.0
Check description for JIRA ticket is not certified by GitHub. It is provided by a third-party and is governed by separate terms of service, privacy policy, and support documentation.