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小編給大家分享一下jQuery如何使用正則驗(yàn)證15/18身份證,相信大部分人都還不怎么了解,因此分享這篇文章給大家參考一下,希望大家閱讀完這篇文章后大有收獲,下面讓我們一起去了解一下吧!
最好的jQuery正則驗(yàn)證身份證代碼:
按照身份證的算法定制而成,精確度完美支持15和18位. 錯(cuò)一個(gè)數(shù)字或字母都通不過,無(wú)需通過數(shù)據(jù)處理來驗(yàn)證
//身份證檢驗(yàn) var vcity={ 11:"北京",12:"天津",13:"河北",14:"山西",15:"內(nèi)蒙古", 21:"遼寧",22:"吉林",23:"黑龍江",31:"上海",32:"江蘇", 33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山東",41:"河南", 42:"湖北",43:"湖南",44:"廣東",45:"廣西",46:"海南",50:"重慶", 51:"四川",52:"貴州",53:"云南",54:"西藏",61:"陜西",62:"甘肅", 63:"青海",64:"寧夏",65:"新疆",71:"臺(tái)灣",81:"香港",82:"澳門",91:"國(guó)外" }; function checkCard(card){ //是否為空 if(!card||!isCardNo(card)||!checkProvince(card)||!checkBirthday(card)||!checkParity(card)){ ZlyJs.divTip("請(qǐng)輸入正確的身份證號(hào)碼"); jQuery(".sf_list").focus(); return false; } return true; }; //檢查號(hào)碼是否符合規(guī)范,包括長(zhǎng)度,類型 function isCardNo(card){ //身份證號(hào)碼為15位或者18位,15位時(shí)全為數(shù)字,18位前17位為數(shù)字,最后一位是校驗(yàn)位,可能為數(shù)字或字符X var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)/; if(reg.test(card) === false){ return false; } return true; }; //取身份證前兩位,校驗(yàn)省份 function checkProvince(card){ var province = card.substr(0,2); if(vcity[province] == undefined) { return false; } return true; }; //檢查生日是否正確 function checkBirthday(card){ var len = card.length; //身份證15位時(shí),次序?yàn)槭。?位)市(3位)年(2位)月(2位)日(2位)校驗(yàn)位(3位),皆為數(shù)字 if(len == '15'){ var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/; var arr_data = card.match(re_fifteen); var year = arr_data[2]; var month = arr_data[3]; var day = arr_data[4]; var birthday = new Date('19'+year+'/'+month+'/'+day); return verifyBirthday('19'+year,month,day,birthday); } //身份證18位時(shí),次序?yàn)槭。?位)市(3位)年(4位)月(2位)日(2位)校驗(yàn)位(4位),校驗(yàn)位末尾可能為X if(len == '18'){ var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/; var arr_data = card.match(re_eighteen); var year = arr_data[2]; var month = arr_data[3]; var day = arr_data[4]; var birthday = new Date(year+'/'+month+'/'+day); return verifyBirthday(year,month,day,birthday); } return false; }; //校驗(yàn)日期 function verifyBirthday(year,month,day,birthday){ var now = new Date(); var now_year = now.getFullYear(); //年月日是否合理 if(birthday.getFullYear() == year && (birthday.getMonth() + 1) == month && birthday.getDate() == day){ //判斷年份的范圍(3歲到100歲之間) var time = now_year - year; if(time >= 3 && time <= 100) { return true; } return false; } return false; }; //校驗(yàn)位的檢測(cè) function checkParity(card){ //15位轉(zhuǎn)18位 card = changeFivteenToEighteen(card); var len = card.length; if(len == '18'){ var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2); var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'); var cardTemp = 0, i, valnum; for(i = 0; i < 17; i ++){ cardTemp += card.substr(i, 1) * arrInt[i]; } valnum = arrCh[cardTemp % 11]; if(valnum == card.substr(17, 1)){ return true; } return false; } return false; }; //15位轉(zhuǎn)18位身份證號(hào) function changeFivteenToEighteen(card){ if(card.length == '15'){ var arrInt = new array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2); var arrCh = new array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'); var cardTemp = 0, i; card = card.substr(0, 6) + '19' + card.substr(6, card.length - 6); for(i = 0; i < 17; i ++){ cardTemp += card.substr(i, 1) * arrInt[i]; } card += arrCh[cardTemp % 11]; return card; } return card; }; if (!checkCard(code)) { alert("請(qǐng)輸入正確的身份證號(hào)碼"); return false; }
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