15 비트 와 18 비트 신분증 의 정규 표현 식 및 검증

（1）preg_match("/^(\d{18,18}|\d{15,15}|\d{17,17}x)$/"
,$id_card) 

（2）preg_match("/^(\d{6})(18|19|20)?(\d{2})([01]\d)([0123]\d)(\d{3})(\d|X)?$/"
,$id_card) 

（3）preg_match("/(^\d{15}$/)|(\d{17}(?:\d|x|X)$/),$id_card)

//      15  18     ，             。   
//     ，              ，   6              。 

 
function isIdCardNo(num) 
{   
         num = num.toUpperCase();  

         //      15   18 ，15      ，18  17    ，        ，        X。   

          if (!(/(^\d{15}$)|(^\d{17}([0-9]|X)$)/.test(num))){ 
             alert('           ，         ！
15        ，18           X。'); 
              return false; 
         } 

         //     ISO 7064:1983.MOD 11-2     ，X       10。 
         //               

         var len, re; 
         len = num.length; 

         if (len == 15){ 
              re = new RegExp(/^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/); 
              var arrSplit = num.match(re); 

         //           

         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('              ！');   
               return false; 
         }else{ 
                  // 15      18  
                 //     ISO 7064:1983.MOD 11-2     ，X       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];   

                    return 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); 

 

//           

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('              ！'); 

return false; 

} 

else 

{ 

//  18            。 

//     ISO 7064:1983.MOD 11-2     ，X       10。 

var valnum; 

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           ！   ：' + valnum); 

return false; 

} 

return num; 

} 

} 

return false; 

}   

<script>

var aCity={11:"  ",12:"  ",13:"  ",14:"  ",15:"   ",21:"  ",22:"  ",23:"   ",31:"  ",32:"  ",33:"  ",34:"  ",35:"  ",36:"  ",37:"  ",41:"  ",42:"  ",43:"  ",44:"  ",45:"  ",46:"  ",50:"  ",51:"  ",52:"  ",53:"  ",54:"  ",61:"  ",62:"  ",63:"  ",64:"  ",65:"  ",71:"  ",81:"  ",82:"  ",91:"  "}

 

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:    ";

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:    ";

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:    ";

return aCity[parseInt(sId.substr(0,2))]+","+sBirthday+","+(sId.substr(16,1)%2?" ":" ")

}document.write(cidInfo("380524198002300016"),"<br/>");

document.write(cidInfo("340524198002300019"),"<br/>")

document.write(cidInfo("340524197711111111"),"<br/>")

document.write(cidInfo("34052419800101001x"),"<br/>");

</script>