Delete files with certain words in the name

Hello Dubhan,
In this video I do a lot of stuff with Files:

1:10 Download the file and Move the latest file to folders
4:30 Rename files with VB commands
6:00 Move files to do Rename
6:55 Delete files
8:15 Delete only PNG files
8:55 Delete all the files except PNG files
9:55 Move files
11:10 Delete files that are older than 2 weeks
14:40 Create a file or folder with dates inside
17:00 Trigger a process when the file is added to a folder
18:45 How to use the files start the process
20:30 Excel Application Scope use files

Thanks,
Cristian Negulescu