15個(gè)常用的js正則表達(dá)式

15個(gè)常?的js正則表達(dá)式15個(gè)常?的js正則表達(dá)式?戶名正則，4到16位（字母，數(shù)字，下劃線，減號(hào)）varuPattern=/^[a-zA-Z0-9_-]{4,16}$/;//輸出trueconsole.log(uPattern.test("iFat3"));密碼強(qiáng)度正則//密碼強(qiáng)度正則，最少6位，包括?少1個(gè)?寫字母，1個(gè)?寫字母，1個(gè)數(shù)字，1個(gè)特殊字符varpPattern=/^.*(?=.{6,})(?=.*\d)(?=.*[A-Z])(?=.*[a-z])(?=.*[!@#$%^&*?]).*$/;//輸出trueconsole.log("=="+pPattern.test("iFat3#"));整數(shù)正則//正整數(shù)正則varposPattern=/^\d+$/;//負(fù)整數(shù)正則varnegPattern=/^-\d+$/;//整數(shù)正則varintPattern=/^-?\d+$/;//輸出trueconsole.log(posPattern.test("42"));//輸出trueconsole.log(negPattern.test("-42"));//輸出trueconsole.log(intPattern.test("-42"));數(shù)字正則//正數(shù)正則varposPattern=/^\d*\.?\d+$/;//負(fù)數(shù)正則varnegPattern=/^-\d*\.?\d+$/;//數(shù)字正則varnumPattern=/^-?\d*\.?\d+$/;console.log(posPattern.test("42.2"));console.log(negPattern.test("-42.2"));console.log(numPattern.test("-42.2"));Email正則//Email正則varePattern=/^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;//輸出trueconsole.log(ePattern.test(<ahref="mailto:65974040@">65974040@</a>));?機(jī)號(hào)正則//?機(jī)號(hào)正則varmPattern=/^((13[0-9])|(14[5|7])|(15([0-3]|[5-9]))|(18[0,5-9]))\d{8}$/;//輸出trueconsole.log(mPattern.test("186********"));?份證號(hào)正則//?份證號(hào)（18位）正則varcP=/^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/;//輸出trueconsole.log(cP.test("110105************"));URL正則//?份證號(hào)（18位）正則varcP=/^[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]$/;//輸出trueconsole.log(cP.test("110105************"));IPV4地址正則//ipv4地址正則varipP=/^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/;//輸出trueconsole.log(ipP.test("6"));?六進(jìn)制顏?正則//RGBHex顏?正則varcPattern=/^#?([a-fA-F0-9]{6}|[a-fA-F0-9]{3})$/;//輸出trueconsole.log(cPattern.test("#b8b8b8"));?期正則234567891011121314//?期正則，簡(jiǎn)單判定,未做?份及?期的判定vardP1=/^\d{4}(\-)\d{1,2}\1\d{1,2}$/;//輸出trueconsole.log(dP1.test("2017-05-11"));//輸出trueconsole.log(dP1.test("2017-15-11"));//?期正則，復(fù)雜判定vardP2=/^(?:(?!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)$/;//輸出trueconsole.log(dP2.test("2017-02-11"));//輸出falseconsole.log(dP2.test("2017-15-11"));//輸出falseconsole.log(dP2.test("2017-02-29"));QQ號(hào)碼正則//QQ號(hào)正則，5?11位varqqPattern=/^[1-9][0-9]{4,10}$/;//輸出trueconsole.log(qqPattern.test("65974040"));微信號(hào)正則//微信號(hào)正則，6?20位，以字母開頭，字母，數(shù)字，減號(hào)，下劃線varwxPattern=/^[a-zA-Z]([-_a-zA-Z0-9]{5,19})+$/;//輸出trueconsole.log(wxPattern.test("RuilongMao"));車牌號(hào)正則//車牌號(hào)正則varcPattern=/^[京津滬渝冀豫云遼?湘皖魯新蘇浙贛鄂桂?晉蒙陜吉閩貴粵青藏川寧瓊使領(lǐng)A-Z]{1}[A-Z]{1}[A-Z0-9]{4}[A-Z0-9掛學(xué)警港澳]{1}$/;//輸