@@ -60,7 +60,7 @@ class RouteInfo{

     }

     public static function eventHandlerFormatCheck($event_handler, &$match){

-        $pattern = '#^((?<class>[a-z0-9\\\\]+)::)?(?<function>[a-z0-9]+)(\\((?<arguments>[a-z0-9;, \-/]+)?\\))?$#i';

+        $pattern = '#^((?<class>[a-z0-9\\\\]+)::)?(?<function>[a-zA-Z0-9]+)(\\((?<arguments>[a-zA-Z0-9;, \-/]+)?\\))?$#i';

         if(preg_match($pattern, $event_handler, $match)){

             if(isset($match['arguments'])){

                 $result = self::eventHandlerArgumentsFormatCheck($match['arguments'],$arguments_match);