private function _getValidFormatJsPart(__IComponent &$component)
 {
     $return_value = '';
     $valid_format = $component->getPattern();
     if ($valid_format != null) {
         $error_message = $component->getErrorMessageIfNotValid();
         if ($error_message != null) {
             $return_value = $component->getId() . '.add(Validate.Format, { pattern: /' . $valid_format . '/i, failureMessage : "' . $error_message . '"});' . "\n";
         } else {
             $return_value = $component->getId() . '.add(Validate.Format, { pattern: /' . $valid_format . '/i});' . "\n";
         }
     }
     return $return_value;
 }