判断是否是身份证

//判断是否是身份证

+ (BOOL)isValidIdCard:(NSString*)idCard

{

    NSString*regex =@"^\\d{15}$|^\\d{18}$|^\\d{17}(\\d|X|x)$";

    NSPredicate *idPre = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@", regex];

    return [idPre evaluateWithObject:idCard];

}