Mine

// TEST 1 - normal mode$url = "screenshot: http://crazy-tronners.com/aarec/screenshot_68.png";$regexp_url = "@([http:\/\/|HTTP:\/\/|https:\/\/|HTTPS:\/\/][a-zA-Z.0-9-]*[\/a-zA-Z.-_]*\/[\/a-zA-Z0-9%._-]*)@";//1echo preg_match($regexp_url, $url, $results);// TEST 2 - multiline mode$url = "screenshot: http://crazy-tronners.com/aarec/screenshot_68.png";$regexp_url = "@^recording: ([http:\/\/|HTTP:\/\/|https:\/\/|HTTPS:\/\/][a-zA-Z.0-9-]*[\/a-zA-Z.-_]*\/[\/a-zA-Z0-9%._-]*)@m";// 0 -- fails :/echo preg_match($regexp_url, $url, $results);