php匹配网址的正则 几乎可以匹配任何网址

比较简单的 $str = ''; $isMatched = preg_match('/^^((https|http|ftp|rtsp|mms)?:\/\/)[^\s]+$/', $str, $matches); var_dump($isMatched, $matches); 几乎可以匹配任何网址: ^((https?|ftp|news):\/\/)?([a-z]([a-z0-9\-]*[\.。])+([a-z]{2}|aero|arpa|biz|com|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel)