iOS中常见正则表达式验证方法

//判断手机号码+ (NSString *)valiMobile:(NSString *)mobile{  if (mobile.length != 11){    return @"手机号码格式错误";  }else{    /**     * 移动号段正则表达式     */    NSString *CM_NUM = @"^((13[4-9])|(147)|(15[0-2,7-9])|(178)|(18[2-4,7-8]))//d{8}|(1705)//d{7}$";    /**     * 联通号段正则表达式     */    NSString *CU_NUM = @"^((13[0-2])|(145)|(15[5-6])|(176)|(18[5,6]))//d{8}|(1709)//d{7}$";    /**     * 电信号段正则表达式     */    NSString *CT_NUM = @"^((133)|(153)|(177)|(18[0,1,9]))//d{8}$";    NSPredicate *pred1 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM_NUM];    BOOL isMatch1 = [pred1 evaluateWithObject:mobile];    NSPredicate *pred2 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU_NUM];    BOOL isMatch2 = [pred2 evaluateWithObject:mobile];    NSPredicate *pred3 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT_NUM];    BOOL isMatch3 = [pred3 evaluateWithObject:mobile];    if (isMatch1 || isMatch2 || isMatch3) {      return nil;    }else{      return @"请输入正确的手机号码";    }  }  return nil;}

//验证军官证- (BOOL) checkOfficerCard: (NSString *) officerCard{  //exp:政字第00111206号  BOOL flag;  if (officerCard.length <= 0) {    flag = NO;    return flag;  }  NSString *regex2 = @"^([/u5357|/u5317|/u6c88|/u5170|/u6210|/u6d4e|/u5e7f|/u6d77|/u7a7a|/u53c2|/u653f|/u540e|/u88c5][/u5b57][/u7b2c]//d{8}[/u53f7])$";  NSPredicate *identityCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];  return [identityCardPredicate evaluateWithObject:officerCard];}

//精确的身份证号码有效性检测- (BOOL) accurateVerifyIDCardNumber:(NSString *)value {  value = [value stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];  int length =0;  if (!value) {    return NO;  }else {    length = (int)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 NO;  }  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;  }}

//邮箱验证- (BOOL)isEmailAddress{  NSString *emailRegex = @"[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+//.[A-Za-z]{2,4}";  NSPredicate *predicate = [NSPredicate predicateWithFormat:@"self matches %@",emailRegex];  return [predicate evaluateWithObject:self];}

/** 银行卡号有效性问题Luhn算法 * 现行 16 位银联卡现行卡号开头 6 位是 622126～622925 之间的，7 到 15 位是银行自定义的， * 可能是发卡分行，发卡网点，发卡序号，第 16 位是校验码。 * 16 位卡号校验位采用 Luhm 校验方法计算： * 1，将未带校验位的 15 位卡号从右依次编号 1 到 15，位于奇数位号上的数字乘以 2 * 2，将奇位乘积的个十位全部相加，再加上所有偶数位上的数字 * 3，将加法和加上校验位能被 10 整除。 */- (BOOL)bankCardCheck{  NSString * lastNum = [[self substringFromIndex:(self.length-1)] copy];//取出最后一位  NSString * forwardNum = [[self substringToIndex:(self.length -1)] copy];//前15或18位  NSMutableArray * forwardArr = [[NSMutableArray alloc] initWithCapacity:0];  for (int i=0; i<forwardNum.length; i++) {    NSString * subStr = [forwardNum substringWithRange:NSMakeRange(i, 1)];    [forwardArr addObject:subStr];  }  NSMutableArray * forwardDescArr = [[NSMutableArray alloc] initWithCapacity:0];  for (int i = (int)(forwardArr.count-1); i> -1; i--) {//前15位或者前18位倒序存进数组    [forwardDescArr addObject:forwardArr[i]];  }  NSMutableArray * arrOddNum = [[NSMutableArray alloc] initWithCapacity:0];//奇数位*2的积 < 9  NSMutableArray * arrOddNum2 = [[NSMutableArray alloc] initWithCapacity:0];//奇数位*2的积 > 9  NSMutableArray * arrEvenNum = [[NSMutableArray alloc] initWithCapacity:0];//偶数位数组  for (int i=0; i< forwardDescArr.count; i++) {    NSInteger num = [forwardDescArr[i] intValue];    if (i%2) {//偶数位      [arrEvenNum addObject:[NSNumber numberWithInteger:num]];    }else{//奇数位      if (num * 2 < 9) {        [arrOddNum addObject:[NSNumber numberWithInteger:num * 2]];      }else{        NSInteger decadeNum = (num * 2) / 10;        NSInteger unitNum = (num * 2) % 10;        [arrOddNum2 addObject:[NSNumber numberWithInteger:unitNum]];        [arrOddNum2 addObject:[NSNumber numberWithInteger:decadeNum]];      }    }  }  __block NSInteger sumOddNumTotal = 0;  [arrOddNum enumerateObjectsUsingBlock:^(NSNumber * obj, NSUInteger idx, BOOL *stop) {    sumOddNumTotal += [obj integerValue];  }];  __block NSInteger sumOddNum2Total = 0;  [arrOddNum2 enumerateObjectsUsingBlock:^(NSNumber * obj, NSUInteger idx, BOOL *stop) {    sumOddNum2Total += [obj integerValue];  }];  __block NSInteger sumEvenNumTotal =0 ;  [arrEvenNum enumerateObjectsUsingBlock:^(NSNumber * obj, NSUInteger idx, BOOL *stop) {    sumEvenNumTotal += [obj integerValue];  }];  NSInteger lastNumber = [lastNum integerValue];  NSInteger luhmTotal = lastNumber + sumEvenNumTotal + sumOddNum2Total + sumOddNumTotal;  return (luhmTotal%10 ==0)?YES:NO;}