protected function compileUpper($key, $masque)
    {
        if (!preg_match("/^upper/", $masque)) {
            return;
        }

        if (Str::isUpper($this->inputs[$key])) {
            return;
        }

        $this->fails = true;
        
        $this->last_message = $this->lexique('upper', $key);
        
        $this->errors[$key][] = [
            "masque" => $masque,
            "message" => $this->last_message
        ];
    }