note 112812 added to function.preg-match

Example of validating an email address and breaking it into 3 parts ( local, domain name, domain suffix ) A case insensitive email is valid if: 1) local matches letters a..z or characters . - _ + 2) domain name matches letters a..z or characters - _ 3) domain suffix matches letters a..z and is between 2 and 4 characters in length <?php preg_match('/(^[a-zA-Z_.+-]+)@([a-zA-Z_-]+).([a-zA-Z]{2,4}$)/i', "jeff@nowhere.com", $matches); var_export($matches); ?> outputs: Array ( [0] => jeff@nowhere.com [1] => jeff [2] => nowhere [3] => com ) ---- Server IP: 69.147.83.199 Probable Submitter: 12.165.188.130 ---- Manual Page -- http://php.net/manual/en/function.preg-match.php Edit -- https://master.php.net/note/edit/112812 Del: integrated -- https://master.php.net/note/delete/112812/integrated Del: useless -- https://master.php.net/note/delete/112812/useless Del: bad code -- https://master.php.net/note/delete/112812/bad+code Del: spam -- https://master.php.net/note/delete/112812/spam Del: non-english -- https://master.php.net/note/delete/112812/non-english Del: in docs -- https://master.php.net/note/delete/112812/in+docs Del: other reasons-- https://master.php.net/note/delete/112812 Reject -- https://master.php.net/note/reject/112812 Search -- https://master.php.net/manage/user-notes.php