using System;

using System.Text;

public class Program

{

    public static void Main()

    {

        string trxResponse = "ISO8583BBPOS\u001c0510\u001c003920000\u001c011000627\u001c012092422\u001c0130201\u001c03995\u001c04100001002        \u001c\u0003";

        Console.WriteLine(BuildBatchUploadResponse(trxResponse));

    }

​

    public static string BuildBatchUploadResponse(string trxResponse)

    {

        StringBuilder BatchUploadResponse = new StringBuilder("");

        var requestSplit = trxResponse.Split('\x1C');

​

        foreach (var item in requestSplit)

        {

            if(item!="\x03")

            {

                BatchUploadResponse.Append(item + '\x1c');

            }

        }       

        BatchUploadResponse.AppendFormat("066{0:D03}{1}", 1, '\x03');

        return (BatchUploadResponse.ToString());

    }

}