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                [TOC] #### JS 常用正則驗證 ## 1 用戶名正則 4到16位(字母,數字,下劃線,減號) ``` let checkPwd = (rule, value, callback) => { const reg = new RegExp(/^[a-zA-Z0-9_-]{4,16}$/); if (!reg.test(value)) return callback( new Error('密碼必須包含數字字母或下劃線!') ) } ``` ***** ## 2 密碼強度正則 ~~~ //密碼強度正則,最少6位,包括至少1個大寫字母,1個小寫字母,1個數字,1個特殊字符var pPattern = /^.*(?=.{6,})(?=.*\d)(?=.*[A-Z])(?=.*[a-z])(?=.*[!@#$%^&*? ]).*$/;//輸出 trueconsole.log("=="+pPattern.test("dishait#")); ~~~ ``` let checkPwd = (rule, value, callback) => { const reg = new RegExp(/^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z_]{6,20}$/); if (!reg.test(value)) return callback( new Error('密碼必須包含數字字母或下劃線!') ) } ``` ***** ## 3 整數正則 ~~~ //正整數正則var posPattern = /^\d+$/;//負整數正則var negPattern = /^-\d+$/;//整數正則var intPattern = /^-?\d+$/;//輸出 trueconsole.log(posPattern.test("42"));//輸出 trueconsole.log(negPattern.test("-42"));//輸出 trueconsole.log(intPattern.test("-42")); ~~~ ## 4 數字正則 可以是整數也可以是浮點數 ~~~ //正數正則var posPattern = /^\d*\.?\d+$/;//負數正則var negPattern = /^-\d*\.?\d+$/;//數字正則var numPattern = /^-?\d*\.?\d+$/;console.log(posPattern.test("42.2"));console.log(negPattern.test("-42.2"));console.log(numPattern.test("-42.2")); ~~~ ## 5 Email正則 ~~~ //Email正則var ePattern = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;//輸出 trueconsole.log(ePattern.test("99154507@qq.com")); ~~~ ## 6 手機號碼正則 ~~~ //手機號正則var mPattern = /^1[34578]\d{9}$/; //輸出 trueconsole.log(mPattern.test("15507621888")); ~~~ ``` let isMobile = (rule, value, callback) => { if (!(/^1[3456789]\d{9}$/.test(value))) return callback(new Error('手機號格式不正確!')) } ``` ***** ## 7 身份證號正則 ~~~ //身份證號(18位)正則var cP = /^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/;//輸出 trueconsole.log(cP.test("11010519880605371X")); ~~~ ## 8 URL正則 ~~~ //URL正則var urlP= /^((https?|ftp|file):\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?$/;//輸出 trueconsole.log(urlP.test("http://test.com")); ~~~ ## 9 IPv4地址正則 ~~~ //ipv4地址正則var ipP = /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/;//輸出 trueconsole.log(ipP.test("115.28.47.26")); ~~~ ## 10 十六進制顏色正則 ~~~ //RGB Hex顏色正則var cPattern = /^#?([a-fA-F0-9]{6}|[a-fA-F0-9]{3})$/;//輸出 trueconsole.log(cPattern.test("#b8b8b8")); ~~~ ## 11 日期正則 ~~~ //日期正則,簡單判定,未做月份及日期的判定var dP1 = /^\d{4}(\-)\d{1,2}\1\d{1,2}$/;//輸出 trueconsole.log(dP1.test("2017-05-11"));//輸出 trueconsole.log(dP1.test("2017-15-11"));//日期正則,復雜判定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)$/;//輸出 trueconsole.log(dP2.test("2017-02-11"));//輸出 falseconsole.log(dP2.test("2017-15-11"));//輸出 falseconsole.log(dP2.test("2017-02-29")); ~~~ ## 12 QQ號碼正則 ~~~ //QQ號正則,5至11位var qqPattern = /^[1-9][0-9]{4,10}$/;//輸出 trueconsole.log(qqPattern.test("65974040")); ~~~ ## 13 微信號正則 ~~~ //微信號正則,6至20位,以字母開頭,字母,數字,減號,下劃線var wxPattern = /^[a-zA-Z]([-_a-zA-Z0-9]{5,19})+$/;//輸出 trueconsole.log(wxPattern.test("dishait_com")); ~~~ ## 14 車牌號正則 ~~~ //車牌號正則var cPattern = /^[京津滬渝冀豫云遼黑湘皖魯新蘇浙贛鄂桂甘晉蒙陜吉閩貴粵青藏川寧瓊使領A-Z]{1}[A-Z]{1}[A-Z0-9]{4}[A-Z0-9掛學警港澳]{1}$/;//輸出 trueconsole.log(cPattern.test("粵B39006")); ~~~ ## 15 包含中文正則 ~~~ //包含中文正則var cnPattern = /[\u4E00-\u9FA5]/;//輸出 trueconsole.log(cnPattern.test("蔡寶堅")); ~~~
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