/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

3 votes337 views1 answer
How to make a global string c#
C#
0 vote383 views1 answer
Wpf binding ancestor codebehind
C#
1 vote303 views1 answer
Sort array alphabetically c#
C#
0 vote292 views1 answer
String trin c#
C#
2 votes342 views2 answers
How to validate if date is a weekday or weekend c#
C#
0 vote326 views1 answer
C# debug writeline
C#
0 vote380 views1 answer
Get position of another object unity
C#Unity
0 vote359 views1 answer
How to make projectile track and go to specified enemy in unity
C#
5 votes324 views2 answers
Simple code to call rest api c#
C#
2 votes314 views1 answer
C# get object property value by name
C#