Error code

Here's the code:
/Profile-Modify.php:
                        // Any masks?
                        if ($row['field_type'] == 'text' && !empty($row['mask']) && $row['mask'] != 'none')
                        {
                                //!!! We never error on this - just ignore it at the moment...
                                if ($row['mask'] == 'email' && (preg_match('~^[0-9A-Za-z=_+\-/][0-9A-Za-z=_\'+\-/\.]*@[\w\-]+(\.[\w\-]+)*(\.[\w]{2,6})$~', $value) === 0 || strlen($value) > 255))
                                        $value = '';
                                elseif ($row['mask'] == 'number')
                                {
                                        $value = (int) $value;
                                }
1304>>>                                elseif (substr($row['mask'], 0, 5) == 'regex' && preg_match(substr($row['mask'], 5), $value) === 0)
                                        $value = '';
                        }
                }



/Register.php:

                        // Any masks to apply?
                        if ($row['field_type'] == 'text' && !empty($row['mask']) && $row['mask'] != 'none')
                        {
                                //!!! We never error on this - just ignore it at the moment...
                                if ($row['mask'] == 'email' && (preg_match('~^[0-9A-Za-z=_+\-/][0-9A-Za-z=_\'+\-/\.]*@[\w\-]+(\.[\w\-]+)*(\.[\w]{2,6})$~', $value) === 0 || strlen($value) > 255))
                                        $custom_field_errors[] = array('custom_field_invalid_email', array($row['field_name']));
                                elseif ($row['mask'] == 'number' && preg_match('~[^\d]~', $value))
                                        $custom_field_errors[] = array('custom_field_not_number', array($row['field_name']));
                                elseif (substr($row['mask'], 0, 5) == 'regex' && preg_match(substr($row['mask'], 5), $value) === 0)
437>>>                                        $custom_field_errors[] = array('custom_field_inproper_format', array($row['field_name']));
                        }