/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

0 vote316 views2 answers
Edit database from datagridview with right click on data c#
C#
5 votes356 views1 answer
Unity get gameobject script is attached to
C#Unity
2 votes299 views4 answers
C# linq select only unique values from list
C#
1 vote354 views1 answer
Look rotation only on y axis in unity
C#Unity
0 vote373 views1 answer
How to turn components on and off in unity through code
C#Unity
0 vote338 views1 answer
Xamarin check if ios or android
C#
0 vote321 views1 answer
Blazor webassembly .net standard 2.1
C#
1 vote387 views1 answer
Check strings is equal shell
C#
7 votes326 views1 answer
How to convert int to string unity c#
C#
0 vote357 views1 answer
C# convert utc to est
C#