/**
  * @inheritdoc
  */
 public function clientValidateAttribute($model, $attribute, $view)
 {
     $pattern = Html::escapeJsRegularExpression($this->pattern);
     $options = ['pattern' => new JsExpression($pattern), 'not' => $this->not, 'message' => Leaps::$app->getI18n()->format($this->message, ['attribute' => $model->getAttributeLabel($attribute)], Leaps::$app->language)];
     if ($this->skipOnEmpty) {
         $options['skipOnEmpty'] = 1;
     }
     ValidationAsset::register($view);
     return 'leaps.validation.regularExpression(value, messages, ' . Json::htmlEncode($options) . ');';
 }