public static function getAvailableClients()
    {
        $instance = new static();
        $regexes = $instance->getRegexes();
        $names = array();
        foreach ($regexes as $regex) {
            if ($regex['name'] != '$1') {
                $names[] = $regex['name'];
            }
        }

        natcasesort($names);

        return array_unique($names);
    }