​x
 
<!DOCTYPE html>
<html>
<body>
​
<h2>JavaScript 字符串搜索</h2>
​
<p>对 "ain" 执行不区分大小写的全局搜索：</p>
​
<p id="demo"></p>
​
<script>
let text = "The rain in SPAIN stays mainly in the plain"; 
document.getElementById("demo").innerHTML = text.match(/ain/gi);
</script>
​
</body>
</html>
​