static bool IsPalindrome(string value)
        {
            if (string.IsNullOrWhiteSpace(value))
            {
                return true;
            }

            value = value.Replace(" ", null).ToLower();

            int beginIndex = 0;
            int endIndex = value.Length - 1;

            while (beginIndex < endIndex)
            {
                if (value[beginIndex] != value[endIndex])
                {
                    return false;
                }

                beginIndex++;
                endIndex--;
            }

            return true;
        }