IOS判断邮箱

//判断是不是邮箱

+ (BOOL) IsValidateEmail:(NSString *)pEmail{
    NSString *pEmailCheck = @"[A-Z0-9a-z._%+-]+@[A-Z0-9a-z.-]+[A-Za-z]{2,4}";
    NSPredicate *pEmailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",pEmailCheck];
    return [pEmailTest evaluateWithObject:pEmail];
}