{"name":"gist: 862111","desc":"URL validation regex","actor":"jhermsmeier","url":"https://gist.github.com/862111","snippet":"{^\n    # scheme\n      (?:([a-z][a-z0-9+.-]*?)[:])?(?:[/]{2})","actor_gravatar":"705e30ab24b07503502ddcb96248c7df","action":"create"}