身份证正则

    　　　　　　　　　　　　var code = ele.value;
                        var pass = true;
                        var city = {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 "};
                        var pass = true;
                        if (!code || !(/^d{6}(18|19|20)d{2}(0[1-9]|1[0-2])(0[1-9]|[12]d|3[01])d{3}(d|X)$/i.test(code)||/^d{6}d{2}(0[1-9]|1[0-2])(0[1-9]|[12]d|3[01])d{3}$/i.test(code) ) ) {
                            pass = false;
                        } else if (!city[code.substr(0,2)]) {
                            pass = false;
                        } else {
                            if (code.length == 18) {
                                code = code.split(‘‘);
                                var factor = [7,9,10,5,8,4,2,1,6,3,7,2];
                                //校验位
                                var parity = [1,‘X‘,2];
                                var sum = 0;
                                var ai = 0;
                                var wi = 0;
                                for (var i = 0; i < 17; i++) {
                                    ai = code[i];
                                    wi = factor[i];
                                    sum += ai * wi;
                                }
                                var last = parity[sum % 11];
                                if (parity[sum % 11] != code[17]) {
                                    pass = false;
                                }
                            }
                        }