这样可以吗

来源：3-19 编程练习

我叫壹陆伍

2021-07-29 21:40:20

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
	<title>正则表达式</title>
</head>
<body>
<script type="text/javascript">
    str="cctv have [cctv1]、[cctv2]、[cctv3]、[cctv4]……";
	/*此处添加代码*/

var pattern=/\[\w+?\]/;
var pattern1=/\[\w\w\w\w\w]/;
console.log(pattern.exec(str));
console.log(pattern1.exec(str));
</script>
</body>

</html>