const 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'    };    const regCity = `(${Reflect.ownKeys(city).join('|')})`;    //当前日期    const currentDate = new Date();    const year = String(currentDate.getFullYear()).split('');    const month = String(currentDate.getMonth() + 1).split('');    const day = String(currentDate.getDate()).split('');    //处理小于10的月份和天数    if (month.length < 2) {        month.unshift('0');    }    if (day.length < 2) {        day.unshift('0');    }    //校验时间月、日    const regDay = `(((0[13578]|1[02])([0-2]\\d|3[0-1]))|(02[0-2]\\d)|((0[469]|11)([0-2]\\d|30)))`;    //校验十五位身份证号    const reg15 = `(${regCity}\\d{4}\\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\\d{2})`;    //当前月校验    const currentYearMonth = `${month[0]}${month[1]}${day[0]==0? `0[1-${day[1]}]`:`([0-${day[0]-1}][1-9])|(${day[0]}[0-${day[1]}])`}`;    /***当前年其他月份校验*/        //当前月小于十月份校验    const min10Month = `0[1-${month[1] - 1}](0[1-9]|[1-2]\\d|3[0-1])`;    //当前月大于等于十月份校验    const max10Month = `(0[1-9](0[1-9]|[1-2]\\d|3[0-1]))${month[1]==0? '':`|(1[0-${month[1] - 1}](0[1-9]|[1-2]\\d|3[0-1]))`}`;    const currentYearOtherMonth = month[0] == 0? min10Month:max10Month;    /***组装身份证号校验规则*/    //当前年    const currentYear = `${year[0]}${year[1]}${year[2]}${year[3]}`;    //当前年份校验,当前月份是一月份只使用 currentYearMonth 校验月份    const currentYearReg = `(${currentYear}${ month[0] == 0 && month[1] == 1? '(':`(${currentYearOtherMonth}|`}${currentYearMonth}))`;    //其他年份校验    const regMillenniumMinBirthday = `${year[0]}[0-${year[1]}](([0-${year[2] - 1<0? 0:year[2] - 1}]\\d)|(${year[2]}[0-${year[3] - 1 < 0? 0:year[3] - 1}]))`;    const otherYearReg = `((([0-${year[0] - 1}]\\d{3})|(${regMillenniumMinBirthday}))${regDay})`;    const regBirthday18 = `(${otherYearReg}|${currentYearReg})`;    const reg18 = `(${regCity}\\d{4}${regBirthday18}\\d{3}[0-9Xx])`;    const reg = new RegExp(`^(${reg15}|${reg18})*$`);