Can you call Directory.GetFiles() with multiple filters?

Question

I am trying to use the Directory.GetFiles() method to retrieve a list of files of multiple types, such as mp3\'s and jpg\'s. I have t

Answer 1

Let

var set = new HashSet { ".mp3", ".jpg" };

Then

Directory.GetFiles(path, "*.*", SearchOption.AllDirectories)
         .Where(f => set.Contains(
             new FileInfo(f).Extension,
             StringComparer.OrdinalIgnoreCase));

or

from file in Directory.GetFiles(path, "*.*", SearchOption.AllDirectories)
from ext in set
where String.Equals(ext, new FileInfo(file).Extension, StringComparison.OrdinalIgnoreCase)
select file;