PHP對金錢的驗證

    //對金錢的校驗
    if (!preg_match('/^[0-9]+(.[0-9]{1,2})?$/', $pData['money'])) {
        echo json_encode([
            'code' =>  0,
            'msg'  => '請輸入正確的金額'
        ]);
        exit;
    }