The filename you provided, Deadpool.2.2018.1080p.BluRay.H264.AAC-RARBG.mp4 , is a standard naming convention used by scene groups and trackers. : The title of the movie. 2018 : The year the film was released.
How about sharing our format expressions? - Page 2 - FileBot Deadpool.2.2018.1080p.BluRay.H264.AAC-RARBG.mp4
For automated management, many users use tools like FileBot to convert these messy release strings into clean, searchable titles. The filename you provided, Deadpool