src/Router.php
protected function transformParam($param, $k)
    {
        if (isset($this->routeMapParse[$k][$param]) and !is_array($this->routeMapParse[$k][$param])) {
            return $this->routeMapParse[$k][$param];
        } else {
            return '(.+?)';
        }
    }
protected function transformParam($param, $k)
    {
        if (isset($this->routeMapParse[$k][$param]) and !is_array($this->routeMapParse[$k][$param])) {
            return $this->routeMapParse[$k][$param];
        } else {
            return '(.+?)';
        }
    }
protected function transformParam ( $ param , $ k ) { if ( isset ( $ this -> routeMapParse [ $ k ] [ $ param ] ) and ! is_array ( $ this -> routeMapParse [ $ k ] [ $ param ] ) ) { return $ this -> routeMapParse [ $ k ] [ $ param ] ; } else { return '(.+?)' ; } }
Prepares the regexp

@param string $param
@param string $k

@return string
Prepares the regexp