iOS 邮箱判断

#pragma mark 判断邮箱的

+(BOOL)isValidateEmail:(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];

}

#pragma mark QQ号码

+ (BOOL) validateQQ:(NSString *)email

{

    NSString *emailRegex = @"^\\\\d{5,12}$";

    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];

    return [emailTest evaluateWithObject:email];

}

#pragma mark ***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];

}

#pragma mark  判断昵称的

+ (BOOL) validateNickname:(NSString *)nickname

{

    NSString *phoneRegex = @"[\\u4e00-\\u9fa5]{2,7}";

    NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];

    return [phoneTest evaluateWithObject:nickname];

}

手机号码的那个正则，网上的几乎都不好用，都有bug，所以建议还还是判断手机号11位，是不是1开头的，我感觉就可以了，只能是数字