Result Size: 625 x 534
x
 
<!DOCTYPE html>
<html>
<body>
<h1>input pattern 属性</h1>
<p>带有不能包含以下字符的搜索字段的表单:'或"</p>
<form action="/action_page.php">
  <label for="search">搜索:</label>
  <input type="search" id="search" name="search" pattern="[^'\x22]+" title="无效输入">
  <input type="submit">
</form>
</body>
</html>