public static string Reverse(string toReverse)
        {
            char[] str = toReverse.ToCharArray();
            int len = toReverse.Length - 1;

            for (int i = 0; i < len; i++, len--)
            {
                str[i] ^= str[len];
                str[len] ^= str[i];
                str[i] ^= str[len];
            }

            return new string(str);
        }