iOS中常见正则表达式验证方法

在某些App应用里面需要填写用户信息(用于验证),有身份证、手机号、军官证等等。下面来跟大家分享一下各自的验证方式。

1.验证 手机号码 ,这个是对任意输入的一串数字做验证,返回一个识别结果(字符串),根据这个结果再做判断。

//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;

}

2.验证军官证

//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];

}

3.验证身份证,这个是 真实身份证 的验证方法,具有唯一性。

//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;

}

}

4.邮箱的验证

//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];

}

5.银行卡有效性验证。这里是给 NSString 写的分类

/** 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;

}

以上简单的收录了在iOS开发中常见的正则表达式的验证方法,如果写的有问题,还请大家及时指正。

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