apt-file

Search for files in apt packages, including ones not yet installed. More information: https://manpages.debian.org/latest/apt-file/apt-file.1.html.

Update the metadata database:

sudo apt update

Search for packages that contain the specified file or path:

apt-file {{search|find}} {{part/of/filename}}

List the contents of a specific package:

apt-file {{show|list}} {{package_name}}

Search for packages that match the regular expresssion given in pattern:

apt-file {{search|find}} --regexp {{pattern}}