Latte\Runtime\Filters::replaceRe PHP Method

    public static function replaceRe($subject, $pattern, $replacement = '')
    {
        $res = preg_replace($pattern, $replacement, $subject);
        if (preg_last_error()) {
            throw new Latte\RegexpException(NULL, preg_last_error());
        }
        return $res;
    }