<?php if (!preg_match('~^[a-z0-9]*[0-9][a-z0-9]*$~i',$password)) { // $subject is alphanumeric and contains at least 1 number $passworderror="Please enter password with digits"; } ?>
<?php if (!preg_match('~^[a-z0-9]*[0-9][a-z0-9]*$~i',$password)) { // $subject is alphanumeric and contains at least 1 number $passworderror="Please enter password with digits"; } ?>