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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>
- // 1.手机号脱敏 13789430987 => 137****0987
- const str = '13789430987';
- const reg = /^(1\d{2})\d{4}(\d{4})$/;
- console.log(str.replace(reg, '$1****$2'))
- // 2.密码匹配 （6-16字母、数字、下划线）
- const str1 = 'hello123456';
- const reg1 = /^\w{6,16}$/;
- console.log(reg1.test(str1))
- // 3.匹配16进制颜色 #ff0000 #0f0
- const str2 = '#FF0000';
- const reg2 = /^#([a-fA-F0-9]{6})|([a-fA-F0-9]{3})$/
- console.log(reg2.test(str2))
- // 4.匹配24小时时间 23:59 20:12 08:35 18:22
- const reg3 = /^([0-1][0-9])|([2][0-3]):[0-5][0-9]$/;
- console.log(reg3.test('23:59'))
- console.log(reg3.test('20:12'))
- console.log(reg3.test('08:35'))
- console.log(reg3.test('18:22'))
- // /^[1-9]\d{5}(?:18|19|20)\d{2}(?:0[1-9]|10|11|12)(?:0[1-9]|[1-2]\d|30|31)\d{3}[\dXx]$/
- </script>
- </body>
- </html>
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