How do I search for a list of files using wildcard

Question

How do I use wildcards in C# to list down files contained in a selected folder?

Could you explain what you want to do a little better please? Listing the files whose filenames match your string or some other thing? — ullmark
– ullmark, Commented Oct 18, 2009 at 12:02

Joey · Accepted Answer · 2009-10-18 12:16:06Z

Directory.GetFiles is your friend here:

Directory.GetFiles(@"C:\Users\Me\Documents", "*.docx");

or, recursively:

Directory.GetFiles( @"C:\Users\Me\Documents", "*.docx", SearchOption.AllDirectories);

TylerH · Accepted Answer · 2025-09-29 21:27:30Z

Use DirectoryInfo.GetFiles

using System.IO; DirectoryInfo folder = new DirectoryInfo(@"C:\foo\bar"); if (folder.Exists) // else: Invalid folder! { FileInfo[] files = folder.GetFiles("*.xml"); foreach (FileInfo file in files) { DoSomething(file.FullName); } }

user169390 · Accepted Answer · 2009-10-18 12:03:24Z

You can do something like this:

string[] files = Directory.GetFiles(@"c:\myfolder", "*.txt", SearchOption.AllDirectories)

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