Compress in C#, C#

Compress in C#

//Title of this code
//Rextester.Program.Main is the entry point for your code. Don't change it.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Text;
using System.IO;
using System.IO.Compression;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var test = "test";
            var c = Compress2("کتاب");
            Console.WriteLine(c);
            //Console.WriteLine(Decompress(c));
        }
    
      static string Compress(string text)
        {
            if (string.IsNullOrEmpty(text))
                return "";

byte[] buffer = Encoding.UTF8.GetBytes(text);
            MemoryStream ms = new MemoryStream();
            using (GZipStream zip = new GZipStream(ms, CompressionMode.Compress, true))
            {
                zip.Write(buffer, 0, buffer.Length);
            }

ms.Position = 0;
            MemoryStream outStream = new MemoryStream();

byte[] compressed = new byte[ms.Length];
            ms.Read(compressed, 0, compressed.Length);

byte[] gzBuffer = new byte[compressed.Length + 4];
            System.Buffer.BlockCopy(compressed, 0, gzBuffer, 4, compressed.Length);
            System.Buffer.BlockCopy(BitConverter.GetBytes(buffer.Length), 0, gzBuffer, 0, 4);
            return Convert.ToBase64String(gzBuffer);
        }

static string Decompress(string compressedText)
        {
            if (string.IsNullOrEmpty(compressedText))
                return "";

byte[] gzBuffer = Convert.FromBase64String(compressedText);
            using (MemoryStream ms = new MemoryStream())
            {
                int msgLength = BitConverter.ToInt32(gzBuffer, 0);
                ms.Write(gzBuffer, 4, gzBuffer.Length - 4);

byte[] buffer = new byte[msgLength];

ms.Position = 0;
                using (GZipStream zip = new GZipStream(ms, CompressionMode.Decompress))
                {
                    zip.Read(buffer, 0, buffer.Length);
                }

return Encoding.UTF8.GetString(buffer);
            }
        }
        
        
        
        public static string Compress2(string text)  
        {  
            byte[] buffer = Encoding.UTF8.GetBytes(text);  
            MemoryStream ms = new MemoryStream();  
            using (DeflateStream zip = new DeflateStream(ms, CompressionMode.Compress, true))  
            {  
                zip.Write(buffer, 0, buffer.Length);  
            }  
            ms.Position = 0;  
            MemoryStream outStream = new MemoryStream();  
            byte[] compressed = new byte[ms.Length];  
            ms.Read(compressed, 0, compressed.Length);  
            byte[] gzBuffer = new byte[compressed.Length + 4];  
            System.Buffer.BlockCopy(compressed, 0, gzBuffer, 4, compressed.Length);  
            System.Buffer.BlockCopy(BitConverter.GetBytes(buffer.Length), 0, gzBuffer, 0, 4);  
            return Convert.ToBase64String(gzBuffer);  
        }  
        
        
        
        
    }
}


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