本文主要介绍了jquery使用正则验证15/18身份证的方法,涉及jquery基于正则进行数字字符串验证相关操作技巧,需要的朋友可以参考下,希望能帮助到大家。
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.ptip("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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以上就是jquery使用正则方法验证15/18身份证详解的详细内容。