/C#/How to get file type from base64 in c#

How to get file type from base64 in c#

/// <summary>
/// To demonstrate extraction of file extension from base64 string.
/// </summary>
/// <param name="base64String">base64 string.</param>
/// <returns>Henceforth file extension from string.</returns>
public static string GetFileExtension(string base64String)
{
var data = base64String.Substring(0, 5);

switch (data.ToUpper())
 {
     case "IVBOR":
        return "png";
     case "/9J/4":
         return "jpg";
     case "AAAAF":
         return "mp4";
     case "JVBER":
         return "pdf";
     case "AAABA":
         return "ico";
     case "UMFYI":
         return "rar";
     case "E1XYD":
         return "rtf";
     case "U1PKC":
        return "txt";
     case "MQOWM":
     case "77U/M":
        return "srt";
     default:
        return string.Empty;
 }
}

Source: stackoverflow.com

Similar codes

2 votes326 views1 answer
C# write byte[] to stream
C#
46 votes334 views6 answers
C# list
C#
1 vote327 views1 answer
C# delete folder with all contents
C#
0 vote365 views1 answer
C# how to refresh input field
C#
9 votes359 views1 answer
Unity delete specific text in a string
C#Unity
0 vote320 views1 answer
Disable Debug.log Unity
C#
0 vote301 views1 answer
Unity create cube in script
C#
26 votes330 views3 answers
Print in c# unity
C#
21 votes305 views2 answers
Unity set object scale
C#
35 votes336 views4 answers
C# Sleep
C#