GitLab Push Rules Citation Push rules are essentially pre-receive Git hooks that are easy to enable in a user-friendly interface. They are defined globally if you are an admin or per project so you can have different rules applied to different projects depending on your needs. 1 ...

Regular expression ^(?:https?:)?(?:\/\/)?(?:+@)?(?:www\.)?(+) used below extracts domain with subdomains out of a full url. It skips protocol (ex: https:), "//", "@", www subdomain and then captures everything (ex: domain) before ":" or "/" or end of line.