HTMl驗證

 <form action="">

    姓名：<input type="text"value="12" name="name"required="required">

<!-- 不能為空驗證 -->

郵箱：<input type="text" value="[email protected]"name="email" pattern="/^(([a-zA-Z0-9_-])[email protected]([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-]/^(([a-zA-Z0-9_-])" >

<!-- 正規表達式驗證 -->

    <input type="submit"id="save" value="送出">

    </form>