身份证号码验证

Tool.m

+ (BOOL)validateIDCardNumber:(NSString *)value {
  //检查 去掉两端的空格
  value = [value stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
  
  //检查长度
  int 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"];
  
  //检查省份代码
  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)];
      
      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)];
      
      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 NO;
  }
}