public function removeSpecialCharacters(array $exceptions = []) : Manipulator
    {
        $regEx  = "/";
        $regEx .= "[^\w\d";

        foreach ($exceptions as $exception) {
            $regEx .= "\\" . $exception;
        }

        $regEx .= "]/";

        $modifiedString = preg_replace($regEx, '', $this->string);

        return new static($modifiedString);
    }