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[TOC] #### JS 常用正则验证 ## 1 用户名正则 4到16位(字母,数字,下划线,减号) ``` let checkPwd = (rule, value, callback) => { const reg = new RegExp(/^[a-zA-Z0-9_-]{4,16}$/); if (!reg.test(value)) return callback( new Error('密码必须包含数字字母或下划线!') ) } ``` ***** ## 2 密码强度正则 ~~~ //密码强度正则,最少6位,包括至少1个大写字母,1个小写字母,1个数字,1个特殊字符var pPattern = /^.*(?=.{6,})(?=.*\d)(?=.*[A-Z])(?=.*[a-z])(?=.*[!@#$%^&*? ]).*$/;//输出 trueconsole.log("=="+pPattern.test("dishait#")); ~~~ ``` let checkPwd = (rule, value, callback) => { const reg = new RegExp(/^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z_]{6,20}$/); if (!reg.test(value)) return callback( new Error('密码必须包含数字字母或下划线!') ) } ``` ***** ## 3 整数正则 ~~~ //正整数正则var posPattern = /^\d+$/;//负整数正则var negPattern = /^-\d+$/;//整数正则var intPattern = /^-?\d+$/;//输出 trueconsole.log(posPattern.test("42"));//输出 trueconsole.log(negPattern.test("-42"));//输出 trueconsole.log(intPattern.test("-42")); ~~~ ## 4 数字正则 可以是整数也可以是浮点数 ~~~ //正数正则var posPattern = /^\d*\.?\d+$/;//负数正则var negPattern = /^-\d*\.?\d+$/;//数字正则var numPattern = /^-?\d*\.?\d+$/;console.log(posPattern.test("42.2"));console.log(negPattern.test("-42.2"));console.log(numPattern.test("-42.2")); ~~~ ## 5 Email正则 ~~~ //Email正则var ePattern = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;//输出 trueconsole.log(ePattern.test("99154507@qq.com")); ~~~ ## 6 手机号码正则 ~~~ //手机号正则var mPattern = /^1[34578]\d{9}$/; //输出 trueconsole.log(mPattern.test("15507621888")); ~~~ ``` let isMobile = (rule, value, callback) => { if (!(/^1[3456789]\d{9}$/.test(value))) return callback(new Error('手机号格式不正确!')) } ``` ***** ## 7 身份证号正则 ~~~ //身份证号(18位)正则var cP = /^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/;//输出 trueconsole.log(cP.test("11010519880605371X")); ~~~ ## 8 URL正则 ~~~ //URL正则var urlP= /^((https?|ftp|file):\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?$/;//输出 trueconsole.log(urlP.test("http://test.com")); ~~~ ## 9 IPv4地址正则 ~~~ //ipv4地址正则var ipP = /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/;//输出 trueconsole.log(ipP.test("115.28.47.26")); ~~~ ## 10 十六进制颜色正则 ~~~ //RGB Hex颜色正则var cPattern = /^#?([a-fA-F0-9]{6}|[a-fA-F0-9]{3})$/;//输出 trueconsole.log(cPattern.test("#b8b8b8")); ~~~ ## 11 日期正则 ~~~ //日期正则,简单判定,未做月份及日期的判定var dP1 = /^\d{4}(\-)\d{1,2}\1\d{1,2}$/;//输出 trueconsole.log(dP1.test("2017-05-11"));//输出 trueconsole.log(dP1.test("2017-15-11"));//日期正则,复杂判定var dP2 = /^(?:(?!0000)[0-9]{4}-(?:(?:0[1-9]|1[0-2])-(?:0[1-9]|1[0-9]|2[0-8])|(?:0[13-9]|1[0-2])-(?:29|30)|(?:0[13578]|1[02])-31)|(?:[0-9]{2}(?:0[48]|[2468][048]|[13579][26])|(?:0[48]|[2468][048]|[13579][26])00)-02-29)$/;//输出 trueconsole.log(dP2.test("2017-02-11"));//输出 falseconsole.log(dP2.test("2017-15-11"));//输出 falseconsole.log(dP2.test("2017-02-29")); ~~~ ## 12 QQ号码正则 ~~~ //QQ号正则,5至11位var qqPattern = /^[1-9][0-9]{4,10}$/;//输出 trueconsole.log(qqPattern.test("65974040")); ~~~ ## 13 微信号正则 ~~~ //微信号正则,6至20位,以字母开头,字母,数字,减号,下划线var wxPattern = /^[a-zA-Z]([-_a-zA-Z0-9]{5,19})+$/;//输出 trueconsole.log(wxPattern.test("dishait_com")); ~~~ ## 14 车牌号正则 ~~~ //车牌号正则var cPattern = /^[京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼使领A-Z]{1}[A-Z]{1}[A-Z0-9]{4}[A-Z0-9挂学警港澳]{1}$/;//输出 trueconsole.log(cPattern.test("粤B39006")); ~~~ ## 15 包含中文正则 ~~~ //包含中文正则var cnPattern = /[\u4E00-\u9FA5]/;//输出 trueconsole.log(cnPattern.test("蔡宝坚")); ~~~