['searchModelClass', 'compare', 'compareAttribute' => 'modelClass', 'operator' => '!==', 'message' => 'Search Model Class must not be equal to Model Class.'],
['modelClass, controllerClass, baseControllerClass, searchModelClass', 'match', 'pattern' => '/^[\w\\\\]*$/', 'message' => 'Only word characters and backslashes are allowed.'],