<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head> <title>正则表达式</title> <script type="text/jscript"> function isIdCardNo(num) { num = num.toUpperCase(); //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。 if (!(/(^/d{15}$)|(^/d{17}([0-9]|X)$)/.test(num))) { alert('输入的身份证号长度不对，或者号码不符合规定！/n15位号码应全为数字，18位号码末位可以为数字或X。'); return false; } //校验位按照ISO 7064:1983.MOD 11-2的规定生成，X可以认为是数字10。 //下面分别分析出生日期和校验位 var len, re; len = num.length; if (len == 15) { //分割(6,2,2,2,3) re = new RegExp(/^(/d{6})(/d{2})(/d{2})(/d{2})(/d{3})$/); var arrSplit = num.match(re); //检查生日日期是否正确 var dtmBirth = new Date('19' + arrSplit[2] + '/' + arrSplit[3] + '/' + arrSplit[4]); var bGoodDay; bGoodDay = (dtmBirth.getYear() == Number(arrSplit[2])) && ((dtmBirth.getMonth() + 1) == Number(arrSplit[3])) && (dtmBirth.getDate() == Number(arrSplit[4])); if (!bGoodDay) { alert('输入的身份证号里出生日期不对！'); return false; } else { //将15位身份证转成18位 //校验位按照ISO 7064:1983.MOD 11-2的规定生成，X可以认为是数字10。 var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2); var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'); var nTemp = 0, i; num = num.substr(0, 6) + '19' + num.substr(6, num.length - 6); for (i = 0; i < 17; i++) { nTemp += num.substr(i, 1) * arrInt[i]; } num += arrCh[nTemp % 11]; isIdCardNo( num); } } if (len == 18) { re = new RegExp(/^(/d{6})(/d{4})(/d{2})(/d{2})(/d{3})([0-9]|X)$/); var arrSplit = num.match(re);
//检查生日日期是否正确 var dtmBirth = new Date(arrSplit[2] + "/" + arrSplit[3] + "/" + arrSplit[4]); var bGoodDay; bGoodDay = (dtmBirth.getFullYear() == Number(arrSplit[2])) && ((dtmBirth.getMonth() + 1) == Number(arrSplit[3])) && (dtmBirth.getDate() == Number(arrSplit[4])); if (!bGoodDay) { alert(dtmBirth.getYear()); alert(arrSplit[2]); alert('输入的身份证号里出生日期不对！'); return false; } else { //检验18位身份证的校验码是否正确。 //校验位按照ISO 7064:1983.MOD 11-2的规定生成，X可以认为是数字10。 var valnum; /*2的(17到1)的次方然后取11的余数 2^17*/ 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 nTemp = 0, i; for (i = 0; i < 17; i++) { nTemp += num.substr(i, 1) * arrInt[i]; } valnum = arrCh[nTemp % 11]; if (valnum != num.substr(17, 1)) { alert('18位身份证的校验码不正确！应该为：' + valnum); return false; } alert( cidInfo(num)); return num; } } return false; } function is() {
var num = document.getElementById("t").value; num = num.replace(/(^/s*)|/s*|(/s*$)/g, ""); isIdCardNo(num); }
var aCity = { 11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古", 21: "辽宁", 22: "吉林", 23: "黑龙江 ", 31: "上海", 32: "江苏", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山东", 41: "河南", 42: "湖北 ", 43: "湖南", 44: "广东", 45: "广西", 46: "海南", 50: "重庆", 51: "四川", 52: "贵州", 53: "云南", 54: "西藏 ", 61: "陕西", 62: "甘肃", 63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外 " }
function cidInfo(sId) { var iSum = 0; var info = ""; if (!/^/d{17}(/d|x)$/i.test(sId)) return false; //把x转为a sId = sId.replace(/x$/i, "a"); //用头两位号码去匹配省份 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)); //把"-"全部替换为"/" var d = new Date(sBirthday.replace(/-/g, "/")) //验证出生年月日 if (sBirthday != (d.getFullYear() + "-" + (d.getMonth() + 1) + "-" + d.getDate())) return "Error:非法生日"; // var aSum = 0; 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") } document.write("<span class='Error'>55</span>3902199011231054 :" + cidInfo("553902199011231054"), "<br/>"); document.write("513902<span class='Error'>1990112331</span>1054 :" + cidInfo("513902199011311054"), "<br/>") document.write("51390219901123105<span class='Error'>5</span> :" + cidInfo("513902199011231055"), "<br/>") document.write("51390219901123188x :" + cidInfo("51390219901123188x"), "<br/>"); document.write("513902199011231054 :" + cidInfo("513902199011231054"), "<br/>"); </script> <style type="text/css"><!--.Error { font-weight: bold; text-decoration: underline;}--> </style></head><body> <input type="text" id="t" /> <input type="button" οnclick="is()" value="查询" /></body></html>
