身份证校验方法

//身份证正则表达式(15位)
isIDCard1=/^[1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}$/;
//身份证正则表达式(18位)
isIDCard2=/^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{4}$/;
地区、性别和身份证进行判断的正则表达式：

 

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 cidInfo(sId) {
    var iSum = 0
    var info = ""
    if (!/^\d{17}(\d|x)$/i.test(sId)) return false;
    sId = sId.replace(/x$/i, "a");
    if (aCity[parseInt(sId.substr(0, 2))] == null) return "Error:非法地区";
    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 "Error:非法生日";
    for (var i = 17; i >= 0; i--) iSum += (Math.pow(2, i) % 11) * parseInt(sId.charAt(17 - i), 11)
    if (iSum % 11 != 1) return "Error:非法证号";
    return aCity[parseInt(sId.substr(0, 2))] + "," + sBirthday + "," + (sId.substr(16, 1) % 2 ? "男" : "女")
}</pre>