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<?php function isUrl($text) { $regex = array(); $regex["url"] = '/((([A-Za-z]{3,9}:(?:\/\/)?)(?:[-;:&=\+\$,\w]+@)?[A-Za-z0-9.-]+|(?:www.|[-;:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w-_]*)?\??(?:[-\+=&;%@.\w_]*)#?(?:[.\!\/\\w]*))?)/i'; $mat = array(); echo $regex["url"]; preg_match_all($regex["url"], $text, $mat); var_dump($mat); if ($mat[0]) { echo $mat[0]; } } isUrl("来戳这里！http://aaa.bb.cc sdfsafsdhttp://aa.bb.com");
Output for git.master, git.master_jit, rfc.property-hooks
/((([A-Za-z]{3,9}:(?:\/\/)?)(?:[-;:&=\+\$,\w]+@)?[A-Za-z0-9.-]+|(?:www.|[-;:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w-_]*)?\??(?:[-\+=&;%@.\w_]*)#?(?:[.\!\/\w]*))?)/i Warning: preg_match_all(): Compilation failed: invalid range in character class at offset 119 in /in/WRBWl on line 7 array(0) { } Warning: Undefined array key 0 in /in/WRBWl on line 9

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