Leafo\ScssPhp\Parser::match PHP Метод

    protected function match($regex, &$out, $eatWhitespace = null)
    {
        if (!isset($eatWhitespace)) {
            $eatWhitespace = $this->eatWhiteDefault;
        }
        $r = '/' . $regex . '/' . $this->patternModifiers;
        if (preg_match($r, $this->buffer, $out, null, $this->count)) {
            $this->count += strlen($out[0]);
            if ($eatWhitespace) {
                $this->whitespace();
            }
            return true;
        }
        return false;
    }