| 12345678910111213141516171819202122232425262728293031323334353637383940 |
- <!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 str1 = '13789430987';
- const reg1 = /^(1[0-9]{2})[0-9]{4}([0-9]{4})$/
- console.log(reg1.test(str1),'1')
- console.log(str1.replace(reg1,'$1****$2'))
- // 2.密码匹配 （6-16字母、数字、下划线）
- const str2 = 'hello123456_';
- // const reg2 = /^[a-zA-Z0-9_]{6,16}$/
- const reg2 = /^\w{6,16}$/;
- // const reg2 = /^[a-zA-Z0-9_]{6,16}$/;
- console.log(reg2.test(str2),'2')
- // 3.匹配16进制颜色 #ff0000 #0f0
- const str3 = '#ff0000';
- const str4 = '#f0f';
- const reg3 = /^([a-fA-F0-9]{6})|([a-fA-F0-9]{3})$/
- // const reg3 = /^#([a-fA-F0-9]{6})|([a-fA-F0-9]{3})$/;
- console.log(reg3.test(str3),'3');
- console.log(reg3.test(str4),'4');
- // 4.匹配24小时时间 23:59 20:12 08:35 18:22
- //0 0-9
- //1 0-9
- // 2 0-3 23:59=>00:00
- // 5 0-5
- const reg4 = /^([0-1][0-9])|([2][0-3]):[0-5][0-9]$/
- // const reg4 = /^([0-1][0-9])|([2][0-3]):[0-5][0-9]$/
- console.log(reg4.test("12:36"));
- console.log(reg4.test("20:12"));
- console.log(reg4.test("27:40"));
- </script>
- </body>
- </html>
|
