How to collect all files in a Folder and its Subfolders that match a string

Question

In C# how can I search through a Folder and its Subfolders to find files that match a string value. My string value could be \"ABC123\" and a matching file might be ABC123_

Answer 1

 DirectoryInfo di = new DirectoryInfo("c:/inetpub/wwwroot/demos");
 FileInfo[] rgFiles = di.GetFiles("*.aspx");

you can pass in a second parameter for options. Also, you can use linq to filter the results even further.

check here for MSDN documentation