public function str($flags = 0)
    {
        $ret = false;

        if ($this->match(TextTokenizer::STRING, $matches, $flags)) {
            $delimiter = $matches[2];
            $str = $matches[3];
            $str = str_replace("\\$delimiter", "$delimiter", $str);
            $ret = array($str);
        }

        return $ret;
    }