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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 = /[abc]/;
- // console.log(reg.test("ababab"));
- // console.log(reg.test("abc"));
- // console.log(reg.test("acbac"));
- // console.log(reg.test("dh"));
- // console.log(reg.test("abbhj"));
- // const reg1 = /[0-9]/;
- // const reg2 = /[a-z]/;
- // const reg3 = /[A-Z]/;
- const reg4 = /\w/;
- // console.log(reg1.test(7));
- // const reg5 = /^[^a-z]/;
- // console.log(reg5.test(990));
- const reg5 = /./;
- console.log(reg5.test('\n'));
- console.log(reg5.test('\r'));
- console.log(reg5.test('\t'));
- console.log(reg5.test(' '));
- console.log(reg5.test('1212'));
- </script>
- </body>
- </html>
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