​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>JavaScript 正则表达式</h1>
​
<p>全局搜索任何指定的选项 (red|green)：</p>
​
<p id="demo"></p>
​
<script>
let text = "re, green, red, green, gren, gr, blue, yellow";
let pattern = /(red|green)/g;
let result = text.match(pattern);
​
document.getElementById("demo").innerHTML = result;
</script>
​
</body>
</html>
​