note 108121 added to function.preg-match

Validate PAN Number. [5 Alpha][4 Number][1 Alpha] AAAAA1111A function isValidPAN($num){ return preg_match("/^[A-Z]{5}[0-9]{4}[A-Z]{1}$/", $num); } ---- Server IP: 59.162.86.123 Probable Submitter: 122.177.172.154 ---- Manual Page -- http://www.php.net/manual/en/function.preg-match.php Edit -- https://master.php.net/note/edit/108121 Del: integrated -- https://master.php.net/note/delete/108121/integrated Del: useless -- https://master.php.net/note/delete/108121/useless Del: bad code -- https://master.php.net/note/delete/108121/bad+code Del: spam -- https://master.php.net/note/delete/108121/spam Del: non-english -- https://master.php.net/note/delete/108121/non-english Del: in docs -- https://master.php.net/note/delete/108121/in+docs Del: other reasons-- https://master.php.net/note/delete/108121 Reject -- https://master.php.net/note/reject/108121 Search -- https://master.php.net/manage/user-notes.php