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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8" />
- <meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <title>Document</title>
- </head>
- <body>
- <script>
- const reg = /西游记/g;
- // test()
- // const res = reg.test("这是四大名著之一");
- // console.log(res)
- // exec()
- const res1 = reg.exec("是西游记一本神话故事，我喜欢看西游记哈哈哈哈");
- console.log(res1);
- // replace
- // var str = "西游记是四大名著之一";
- // const res = str.replace(reg,"红楼梦");
- // console.log(res)
- // match
- var str = "一本书西游记，我也爱看西游记";
- const res = str.match(reg);
- console.log(res);
- </script>
- </body>
- </html>
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