1 function checkIdentity(identity){
2             var reg = /^[1-9]{1}[0-9]{14}$|^[1-9]{1}[0-9]{16}([0-9]|[xX])$/;
3             if(reg.test(identity)){
4                 return true;
5             }else{
6                 return false;
7             }
8         }

 

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