Leafo\ScssPhp\Parser::keyword PHP Method

    protected function keyword(&$word, $eatWhitespace = null)
    {
        if ($this->match($this->utf8 ? '(([\\pL\\w_\\-\\*!"\']|[\\\\].)([\\pL\\w\\-_"\']|[\\\\].)*)' : '(([\\w_\\-\\*!"\']|[\\\\].)([\\w\\-_"\']|[\\\\].)*)', $m, $eatWhitespace)) {
            $word = $m[1];
            return true;
        }
        return false;
    }