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– (BOOL)validateIDCardNumber:(NSString *)value {
    value = [value stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
   
    NSInteger length =0;
    if (!value) {
        return NO;
    } else {
        length = value.length;
       
        if (length !=15 && length !=18) {
            return NO;
        }
    }
    // 省份代码
    NSArray *areasArray =@[@”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″];
   
    NSString *valueStart2 = [value substringToIndex:2];
    BOOL areaFlag =NO;
    for (NSString *areaCode in areasArray) {
        if ([areaCode isEqualToString:valueStart2]) {
            areaFlag =YES;
            break;
        }
    }
   
    if (!areaFlag) {
        return false;
    }
   
    NSRegularExpression *regularExpression;
    NSUInteger numberofMatch;
   
    int year =0;
   
    switch (length) {
        case 15:
            year = [value substringWithRange:NSMakeRange(6,2)].intValue +1900;
           
            if (year %4 ==0 || (year %100 ==0 && year %4 ==0)) {
               
                regularExpression = [[NSRegularExpression alloc]initWithPattern:@”^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$”
                                                                       options:NSRegularExpressionCaseInsensitive
                                                                         error:nil];//测试出生日期的合法性
            }else {
                regularExpression = [[NSRegularExpression alloc]initWithPattern:@”^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$”
                                                                       options:NSRegularExpressionCaseInsensitive
                                                                         error:nil];//测试出生日期的合法性
            }
            numberofMatch = [regularExpression numberOfMatchesInString:value
                                                              options:NSMatchingReportProgress
                                                                range:NSMakeRange(0, value.length)];
           
            //[regularExpression release];
           
            if(numberofMatch >0) {
                return YES;
            }else {
                return NO;
            }
       
        case 18:
           
            year = [value substringWithRange:NSMakeRange(6,4)].intValue;
           
            if (year %4 ==0 || (year %100 ==0 && year %4 ==0)) {
               
                regularExpression = [[NSRegularExpression alloc]initWithPattern:@”^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}[0-9Xx]$”
                                                                       options:NSRegularExpressionCaseInsensitive
                                                                         error:nil];//测试出生日期的合法性
            } else {
                regularExpression = [[NSRegularExpression alloc]initWithPattern:@”^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$”
                                                                       options:NSRegularExpressionCaseInsensitive
                                                                         error:nil];//测试出生日期的合法性
            }
            numberofMatch = [regularExpression numberOfMatchesInString:value
                                                              options:NSMatchingReportProgress
                                                                range:NSMakeRange(0, value.length)];
           
            //[regularExpressionrelease];
           
            if(numberofMatch >0) {
                int S = ([value substringWithRange:NSMakeRange(0,1)].intValue + [value substringWithRange:NSMakeRange(10,1)].intValue) *7 + ([value substringWithRange:NSMakeRange(1,1)].intValue + [value substringWithRange:NSMakeRange(11,1)].intValue) *9 + ([value substringWithRange:NSMakeRange(2,1)].intValue + [value substringWithRange:NSMakeRange(12,1)].intValue) *10 + ([value substringWithRange:NSMakeRange(3,1)].intValue + [value substringWithRange:NSMakeRange(13,1)].intValue) *5 + ([value substringWithRange:NSMakeRange(4,1)].intValue + [value substringWithRange:NSMakeRange(14,1)].intValue) *8 + ([value substringWithRange:NSMakeRange(5,1)].intValue + [value substringWithRange:NSMakeRange(15,1)].intValue) *4 + ([value substringWithRange:NSMakeRange(6,1)].intValue + [value substringWithRange:NSMakeRange(16,1)].intValue) *2 + [value substringWithRange:NSMakeRange(7,1)].intValue *1 + [value substringWithRange:NSMakeRange(8,1)].intValue *6 + [value substringWithRange:NSMakeRange(9,1)].intValue *3;
                int Y = S %11;
                NSString *M =@”F”;
                NSString *JYM =@”10X98765432″;
                M = [JYM substringWithRange:NSMakeRange(Y,1)];// 判断校验位
                if ([M isEqualToString:[value substringWithRange:NSMakeRange(17,1)]]) {
                    return YES;// 检测ID的校验位
                } else {
                    return NO;
                }
               
            } else {
                return NO;
            }
        default:
            return false;
    }
}