[[!FormIt? &customValidators=`isPhone` &validate=`phone:isPhone`]]
<?php $value; $pattern = "/^\(?(\d{3})\)?[- ]?(\d{3})[- ]?(\d{4})$/"; /*** try to validate with the regex pattern ***/ if(filter_var($value, FILTER_VALIDATE_REGEXP, array("options"=>array("regexp"=>$pattern))) === false) { return $value; } ?>