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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 13684739503 => 136****9503
- const str = '13684739503';
- const reg = /^(1\d{2})(\d{4})(\d{4})$/
- console.log(reg.test(str));
- console.log(str.replace(reg,'$1****$3'))
- // 2.密码匹配 (6-16字母数字下划线)
- const str1 ='hi58748_87y';
- const reg1 = /^\w{6,16}$/
- console.log(reg1.test(str1));
- // 3.匹配16进制颜色 #ff0000 #ff0
- const str2 = '#ff00ff';
- const reg2 = /^#([a-fA-F0-9]{6})|([a-fA-F0-9]{3})$/
- console.log(reg2.test(str2));
- // 4.匹配24小时时间 23:59 20:09 08:08 18:18
- const reg3 = /^([0-1][0-9])|([2][0-3]):[0-5][0-9]$/;
- console.log(reg3.test("23:59"))
- console.log(reg3.test("20:09"))
- console.log(reg3.test("08:08"))
- console.log(reg3.test("18:18"))
- /**
- * 1.any-rule
- * 2/https://regexper.com/ 功能可视化表达式
- */
-
- </script>
- </body>
- </html>
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