小编给大家分享一下jQuery如何使用正则验证15/18身份证,相信大部分人都还不怎么了解,因此分享这篇文章给大家参考一下,希望大家阅读完这篇文章后大有收获,下面让我们一起去了解一下吧!
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最好的jQuery正则验证身份证代码:
按照身份证的算法定制而成,精确度完美支持15和18位. 错一个数字或字母都通不过,无需通过数据处理来验证
//身份证检验 var vcity={ 11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古", 21:"辽宁",22:"吉林",23:"黑龙江",31:"上海",32:"江苏", 33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南", 42:"湖北",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆", 51:"四川",52:"贵州",53:"云南",54:"西藏",61:"陕西",62:"甘肃", 63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外" }; function checkCard(card){ //是否为空 if(!card||!isCardNo(card)||!checkProvince(card)||!checkBirthday(card)||!checkParity(card)){ ZlyJs.divTip("请输入正确的身份证号码"); jQuery(".sf_list").focus(); return false; } return true; }; //检查号码是否符合规范,包括长度,类型 function isCardNo(card){ //身份证号码为15位或者18位,15位时全为数字,18位前17位为数字,最后一位是校验位,可能为数字或字符X var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)/; if(reg.test(card) === false){ return false; } return true; }; //取身份证前两位,校验省份 function checkProvince(card){ var province = card.substr(0,2); if(vcity[province] == undefined) { return false; } return true; }; //检查生日是否正确 function checkBirthday(card){ var len = card.length; //身份证15位时,次序为省(3位)市(3位)年(2位)月(2位)日(2位)校验位(3位),皆为数字 if(len == '15'){ var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/; var arr_data = card.match(re_fifteen); var year = arr_data[2]; var month = arr_data[3]; var day = arr_data[4]; var birthday = new Date('19'+year+'/'+month+'/'+day); return verifyBirthday('19'+year,month,day,birthday); } //身份证18位时,次序为省(3位)市(3位)年(4位)月(2位)日(2位)校验位(4位),校验位末尾可能为X if(len == '18'){ var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/; 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; }; //校验日期 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){ //判断年份的范围(3岁到100岁之间) var time = now_year - year; if(time >= 3 && time <= 100) { return true; } return false; } return false; }; //校验位的检测 function checkParity(card){ //15位转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位转18位身份证号 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("请输入正确的身份证号码"); return false; }
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