身份证号码正则表达式 阿星小栈

var aCity = {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 isCardID(sId){
   var iSum = 0;
   var info = "";
   if(!/^\d{17}(\d|x)$/i.test(sId)){
       return "你输入的身份证长度或格式错误";
   }
   sId = sId.replace(/x$/i,"a");
   if(aCity[parseInt(sId.substr(0,2))]==null){
      return "你的身份证地区非法";
   }
   sBirthday = sId.substr(6,4)+"-"+Number(sId.substr(10,2))+"-"+Number(sId.substr(12,2));
   var d = new Date(sBirthday.replace(/-/g,"/"));
   if(sBirthday!=(d.getFullYear()+"-"+ (d.getMonth()+1) + "-" + d.getDate())){
      return "身份证上的出生日期非法";
   }
   for(var i = 17;i>=0;i --){
      iSum += (Math.pow(2,i) % 11) * parseInt(sId.charAt(17 - i),11) ;
   }
   if(iSum%11!=1){
      return "你输入的身份证号非法";
   }
 //aCity[parseInt(sId.substr(0,2))]+","+sBirthday+","+(sId.substr(16,1)%2?"男":"女");//此次还可以判断出输入的身份证号的人性别
   return true;
}

原文：https://www.93jc.cn/article/61.html