public function wildcardLikeString($str, $lowercase = true)
    {
        $wild   = '%';
        $length = Str::length($str);
        if ($length) {
            for ($i = 0; $i < $length; $i++) {
                $wild .= $str[$i] . '%';
            }
        }
        if ($lowercase) {
            $wild = Str::lower($wild);
        }

        return $wild;
    }