It would be good to filter by file type groupings, for example: all audio file types, all image file types, all video file types. Similar things could be done for documents (Word, Excel, PowerPoint, text files, etc.). These are not exhaustive lists but give an idea:
Audio:
Contains
*.aac
*.ac3
*.dts
*.eac3
*.flac
*.m4a
*.mp3
*.wav
*.wma
Does Not Contain
!*.aac
!*.ac3
!*.dts
!*.eac3
!*.flac
!*.m4a
!*.mp3
!*.wav
!*.wma
Images:
Contains
*.bmp
*.dng
*.gif
*.heic
*.ico
*.jfif
*.jpe
*.jpeg
*.jpg
*.jps
*.ong
*.png
*.svg
*.tif
*.tiff
*.webp
*.wmf
*.ytif
Does Not Contain
!*.bmp
!*.dng
!*.gif
!*.heic
!*.ico
!*.jfif
!*.jpe
!*.jpeg
!*.jpg
!*.jps
!*.ong
!*.png
!*.svg
!*.tif
!*.tiff
!*.webp
!*.wmf
!*.ytif
Video:
Contains
*.avi
*.divx
*.flv
*.gifv
*.m4v
*.mkv
*.mov
*.mp4
*.mpeg
*.mpg
Does Not Contain
!*.avi
!*.divx
!*.flv
!*.gifv
!*.m4v
!*.mkv
!*.mov
!*.mp4
!*.mpeg
!*.mpg