code: private static function checkRegexRoutes()
      {
          $pos = 0;
  
          self::getRegexRoutes();
  
          $method = $_SERVER['REQUEST_METHOD'];
          $searches = array_keys(self::$patterns);
          $replaces = array_values(self::$patterns);
  
          foreach (self::$routes as $route) {
              $segments = explode('/', str_replace($searches, '', $route));
              $route = str_replace($searches, $replaces, $route);
              $route = Url::addBackSlash($route);
  
              if (preg_match('#^' . $route . '$#', self::$uri, $matched)) {
                  $methodRoute = self::$methods[$pos];
  
                  if ($methodRoute == $method || $methodRoute == 'ANY') {
                      $matched = explode('/', trim($matched[0], '/'));
                      $matched = array_diff($matched, $segments);
  
                      if (! is_object(self::$callbacks[$pos])) {
                          self::$response = self::invokeObject(
                              self::$callbacks[$pos],
                              $matched
                          );
                      } else {
                          self::$response = call_user_func_array(
                              self::$callbacks[$pos],
                              $matched
                          );
                      }
  
                      if (! self::$halts) {
                          return self::$response;
                      }
  
                      self::$halts--;
                  }
              }
  
              $pos++;
          }
  
          return self::$response;
      }
docs: Check if route is defined with regex.
  
  @uses \string Url::addBackSlash → add backslash if it doesn't exist
  
  @return callable|false