CommandLineEncoder.TryEncodeLastSlash C# (CSharp) Method

    private static string TryEncodeLastSlash(string original)
    {
        var regexPattern = @"\\+$";

            string result = Regex.Replace(original, regexPattern,
                delegate(Match match)
                {
                    string matchText = match.ToString();
                    return matchText + matchText;  //double up the slashes
                });

            return result;
    }