Deleting multiple files with wildcard

var dir = new DirectoryInfo(directoryPath);

foreach (var file in dir.EnumerateFiles("f*.txt")) {
    file.Delete();
}

SOURCE : https://stackoverflow.com/questions/8807209/deleting-multiple-files-with-wildcard?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa