iOS邮箱、手机号等常用验证功能 判断字符串是否int float

手机号验证

/*
 手机号码 13[0-9],14[5|7|9],15[0-3],15[5-9],17[0|1|3|5|6|8],18[0-9]
 移动：134[0-8],13[5-9],147,15[0-2],15[7-9],178,18[2-4],18[7-8]
 联通：13[0-2],145,15[5-6],17[5-6],18[5-6]
 电信：133,1349,149,153,173,177,180,181,189
 虚拟运营商: 170[0-2]电信  170[3|5|6]移动 170[4|7|8|9],171 联通
 上网卡又称数据卡，14号段为上网卡专属号段，中国联通上网卡号段为145，中国移动上网卡号段为147，中国电信上网卡号段为149
 */
-(BOOL)isMobilePhone:(NSString *)phoneNum
{
    NSString * MOBIL = @"^1(3[0-9]|4[579]|5[0-35-9]|7[01356]|8[0-9])\\d{8}$";
    NSPredicate *regextestmobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", MOBIL];
    if ([regextestmobile evaluateWithObject:phoneNum]) {
        return YES;
    }
    return NO;
}  

是否是移动号码

/**
 * 中国移动：China Mobile
 * 134[0-8],13[5-9],147,15[0-2],15[7-9],170[3|5|6],178,18[2-4],18[7-8]
 */
-(BOOL)isCMMobilePhone:(NSString *)phoneNum
{
    NSString * CM = @"^1(34[0-8]|70[356]|(3[5-9]|4[7]|5[0-27-9]|7[8]|8[2-47-8])\\d)\\d{7}$";
    NSPredicate *regextestcm = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM];
    if ([regextestcm evaluateWithObject:phoneNum]) {
        return YES;
    }
    return NO;
}

是否是联通号码

/**
 * 中国联通：China Unicom
 * 13[0-2],145,15[5-6],17[5-6],18[5-6],170[4|7|8|9],171
 */
-(BOOL)isCUMobilePhone:(NSString *)phoneNum
{
    NSString * CU = @"^1(70[07-9]|(3[0-2]|4[5]|5[5-6]|7[15-6]|8[5-6])\\d)\\d{7}$";
    NSPredicate *regextestcu = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU];
    if ([regextestcu evaluateWithObject:phoneNum]) {
        return YES;
    }
    return NO;
}  

是否是电信号码

/**
 * 中国电信：China Telecom
 * 133,1349,149,153,173,177,180,181,189,170[0-2]
 */
-(BOOL)isCTMobilePhone:(NSString *)phoneNum
{
    NSString * CT = @"^1(34[9]|70[0-2]|(3[3]|4[9]|5[3]|7[37]|8[019])\\d)\\d{7}$";
    NSPredicate *regextestct = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT];
    if ([regextestct evaluateWithObject:phoneNum]) {
        return YES;
    }
    return NO;
}  

邮箱验证

- (void)validationEmail:(NSString *)email {  

    NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
    if( [emailTest evaluateWithObject:email]){
        NSLog(@"恭喜！您输入的邮箱验证合法");
    }else{
        UIAlertView* alert = [[UIAlertView alloc] initWithTitle:@"提示" message:@"请输入正确的邮箱" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil, nil nil];
        [alert show];  

    }
}

将手机号中特定位置替换为*号

- (NSString *)replaceStringWithAsterisk:(NSInteger)startLocation length:(NSInteger)length {
    NSString *replaceStr = self;
    for (NSInteger i = 0; i < length; i++) {
        NSRange range = NSMakeRange(startLocation, 1);
        replaceStr = [replaceStr stringByReplacingCharactersInRange:range withString:@"*"];
        startLocation ++;
    }
    return replaceStr;
}

6~16位数字、字母、下划线组成的密码格式校验

-(BOOL)checkPsw:(NSString *)pswStr
{
    NSString * pattern  =   @"^[A-Za-z0-9_]{6,16}$";
//    NSString *condition =@"^(?![0-9]+$)(?![a-zA-Z]+$)[a-zA-Z0-9]{6,16}";
    NSPredicate * pred  =   [NSPredicate predicateWithFormat:@"SELF MATCHES %@",pattern];
    return [pred evaluateWithObject:pswStr];
}

//判断是否为整形：

+ (BOOL)isPureInt:(NSString*)string{
    NSScanner* scan = [NSScanner scannerWithString:string];
    int val;
    return[scan scanInt:&val] && [scan isAtEnd];
}

//判断是否为浮点形：

+ (BOOL)isPureFloat:(NSString*)string{
    NSScanner* scan = [NSScanner scannerWithString:string];
    float val;
    return[scan scanFloat:&val] && [scan isAtEnd];
}

//身份证验证

#pragma mark ———————————————————— 判断身份证号
+ (BOOL) validateIdentityCard: (NSString *)value
{

    value = [value stringByReplacingOccurrencesOfString:@" " withString:@""];
    if (value.length != 18) {
        return  NO;
    }
    NSArray* codeArray = [NSArray arrayWithObjects:@"7",@"9",@"10",@"5",@"8",@"4",@"2",@"1",@"6",@"3",@"7",@"9",@"10",@"5",@"8",@"4",@"2", nil];
    NSDictionary* checkCodeDic = [NSDictionary dictionaryWithObjects:[NSArray arrayWithObjects:@"1",@"0",@"X",@"9",@"8",@"7",@"6",@"5",@"4",@"3",@"2", nil]  forKeys:[NSArray arrayWithObjects:@"0",@"1",@"2",@"3",@"4",@"5",@"6",@"7",@"8",@"9",@"10", nil]];

    NSScanner* scan = [NSScanner scannerWithString:[value substringToIndex:17]];

    int val;
    BOOL isNum = [scan scanInt:&val] && [scan isAtEnd];
    if (!isNum) {
        return NO;
    }
    int sumValue = 0;

    for (int i =0; i<17; i++) {
        sumValue+=[[value substringWithRange:NSMakeRange(i , 1) ] intValue]* [[codeArray objectAtIndex:i] intValue];
    }

    NSString* strlast = [checkCodeDic objectForKey:[NSString stringWithFormat:@"%d",sumValue%11]];

    if ([strlast isEqualToString: [[value substringWithRange:NSMakeRange(17, 1)]uppercaseString]]) {
        return YES;
    }
    return  NO;

}