iOS正则判断（手机号、邮箱、车牌号、车型、用户名、密码、身份证号）。

// 正则判断手机号码地址格式
- (BOOL)isMobileNumber:(NSString *)mobileNum {
   * 手机号码：Mobile Phone
   * 移动：134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
   * 联通：130,131,132,152,155,156,185,186
   * 电信：133,1349,153,180,189
   NSString * MP = @"^1(3[0-9]|5[0-35-9]|8[025-9])\\d{8}$";

   //中国移动：China Mobile
   //* 134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
   NSString * CM = @"^1(34[0-8]|(3[5-9]|5[017-9]|8[278])\\d)\\d{7}$";

   //中国联通：China Unicom
   //* 130,131,132,152,155,156,185,186
   NSString * CU = @"^1(3[0-2]|5[256]|7[0-9]|8[56])\\d{8}$";

   //中国电信：China Telecom
   //* 133,1349,153,180,189
   NSString * CT = @"^1((33|53|8[09])[0-9]|349)\\d{7}$";

   // NSString * PHS = @"^0(10|2[0-5789]|\\d{3})\\d{7,8}$";
    
   NSPredicate *regextestmobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", MOBILE];
   NSPredicate *regextestcm = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM];
   NSPredicate *regextestcu = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU];
   NSPredicate *regextestct = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT];
    
    if (([regextestmobile evaluateWithObject:mobileNum] == YES)
    || ([regextestcm evaluateWithObject:mobileNum] == YES)
    || ([regextestct evaluateWithObject:mobileNum] == YES)
    || ([regextestcu evaluateWithObject:mobileNum] == YES))
    {
        return YES;
    } else  {
        return NO;
    }
}

//邮箱
+ (BOOL) validateEmail:(NSString *)email {
    NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
    return [emailTest evaluateWithObject:email];
}

//手机号码验证
+ (BOOL) validateMobile:(NSString *)mobile {
    //手机号以13， 15，18开头，八个 \d 数字字符
    NSString *phoneRegex = @"^((13[0-9])|(15[^4,\\D])|(18[0,0-9]))\\d{8}$";
    NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];
    return [phoneTest evaluateWithObject:mobile];
}

//车牌号验证
+ (BOOL) validateCarNo:(NSString *)carNo{
    NSString *carRegex = @"^[\u4e00-\u9fa5]{1}[a-zA-Z]{1}[a-zA-Z_0-9]{4}[a-zA-Z_0-9_\u4e00-\u9fa5]$";
    NSPredicate *carTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",carRegex];
    NSLog(@"carTest is %@",carTest);
    return [carTest evaluateWithObject:carNo];
}

//车型
+ (BOOL) validateCarType:(NSString *)CarType {
    NSString *CarTypeRegex = @"^[\u4E00-\u9FFF]+$";
    NSPredicate *carTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",CarTypeRegex];
    return [carTest evaluateWithObject:CarType];
}

//用户名
+ (BOOL) validateUserName:(NSString *)name {
    NSString *userNameRegex = @"^[A-Za-z0-9]{6,20}+$";
    NSPredicate *userNamePredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",userNameRegex];
    BOOL B = [userNamePredicate evaluateWithObject:name];
    return B;
}

//密码
+ (BOOL) validatePassword:(NSString *)passWord {
    NSString *passWordRegex = @"^[a-zA-Z0-9]{6,20}+$";
    NSPredicate *passWordPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",passWordRegex];
    return [passWordPredicate evaluateWithObject:passWord];
}

//昵称
+ (BOOL) validateNickname:(NSString *)nickname {
    NSString *nicknameRegex = @"^[\u4e00-\u9fa5]{4,8}$";
    NSPredicate *passWordPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",nicknameRegex];
    return [passWordPredicate evaluateWithObject:nickname];
}

//身份证号
+ (BOOL) validateIdentityCard: (NSString *)identityCard {
    BOOL flag;
    if (identityCard.length <= 0) {
        flag = NO;
        return flag;
    }
    NSString *regex2 = @"^(\\d{14}|\\d{17})(\\d|[xX])$";
    NSPredicate *identityCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];
    return [identityCardPredicate evaluateWithObject:identityCard];
}

//获取iPhone支持的所有字体【系统字体】
- (void)getAllFontfamily {
    NSArray* familys = [UIFont familyNames];
    for (int i = 0; i<[familys count]; i++) {
        NSString* family = [familys objectAtIndex:i];
        NSLog(@"\r\n\r\nFontfamily:%@\r\n=====",family);
        
        NSArray* fonts = [UIFont fontNamesForFamilyName:family];
        for (int j = 0; j<[fonts count]; j++) {
            NSLog(@"%@",[fonts objectAtIndex:j]);
        }
    }
}