1、中文字符
var pattern = /[\u4e00-\u9fa5]/; var str = "建站教程"; console.log(pattern.test(str));
2、双字节字符
var pattern = /[^\x00-\xff]/; var str = "建站教程ipkd"; console.log(pattern.test(str));
3、空白行
var pattern = /\s/; var str = "\n"; console.log(pattern.test(str));
4、Email地址
var pattern = /\w[-\w.+]*@([A-Za-z0-9][-A-Za-z0-9]+\.)+[A-Za-z]{2,14}/; var str = "ipkd@163.com"; console.log(pattern.test(str));
5、网址URL
var pattern = /^((https|http|ftp|rtsp|mms)?:\/\/)[^\s]+/; var str = "http://www.ipkd.cn"; console.log(pattern.test(str));
6、手机(国内)
var pattern = /0?(13|14|15|18)[0-9]{9}/; var str = "13688888888"; console.log(pattern.test(str));
7、电话号码(国内)
var pattern = /[0-9-()()]{7,18}/; var str = "(0516)-88888888"; console.log(pattern.test(str));
8、负浮点数
var pattern = /-([1-9]\d*.\d*|0.\d*[1-9]\d*)/; var str = "-3.1415926"; console.log(pattern.test(str));
9、匹配整数
var pattern = /-?[1-9]\d*/; var str = "123456"; console.log(pattern.test(str));
10、正浮点数
var pattern = /[1-9]\d*.\d*|0.\d*[1-9]\d*/; var str = "3.1415926"; console.log(pattern.test(str));
11、腾讯QQ号
var pattern = /[1-9]([0-9]{5,11})/; var str = "12345678"; console.log(pattern.test(str));
12、邮政编码
var pattern = /\d{6}/; var str = "221000"; console.log(pattern.test(str));
13、IP格式
var pattern = /(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1-9]?\d)\.(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1-9]?\d)\.(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1-9]?\d)\.(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1-9]?\d)/; var str = "192.168.225.255"; console.log(pattern.test(str));
14、身份证号
var pattern = /\d{17}[\d|x]|\d{15}/; var str = "320102199002102937"; console.log(pattern.test(str));
15、格式日期
var pattern = /\d{4}(\-|\/|.)\d{1,2}\1\d{1,2}/; var str = "1988-05-20"; console.log(pattern.test(str));
16、正整数
var pattern = /[1-9]\d*/; var str = "123456"; console.log(pattern.test(str));
17、负整数
var pattern = /-[1-9]\d*/; var str = "-123456"; console.log(pattern.test(str));
18、用户名
var pattern = /[A-Za-z0-9_\-\u4e00-\u9fa5]+/; var str = "建站教程-ipkd"; console.log(pattern.test(str));
标签: 正则表达式
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