You can use wildcards to cover a group of files. A question mark (?) represents a single variable character whereas an asterisk (*) represents a variable string of zero or more characters.
•If you wish to exclude all files in a folder, type the path to the folder and use the mask “*.*”.
•To exclude an entire drive including all files and subfolders, use the mask "D:\*".
•If you want to exclude doc files only, use the mask “*.doc“.
•If the name of an executable file has a certain number of characters (and characters vary) and you only know the first one for sure (say “D”), use the following format: “D????.exe”. Question marks replace the missing (unknown) characters.