Restore Installed Applications

To list explicitly installed packages.

pacman -Qqe > pkglist.txt

Regular repo

Remove AUR packages from explicitly installed package list, and save to file native.txt.

bash -c "comm -12 <(pacman -Slq | sort) <(sort pkglist.txt)"  > native.txt

Install them on new system after selecting wanted packages.

pacman  -S - < native.txt

AUR

List aur packages. Dont forget to edit.

pacman -Qmq > aur.txt

On new system, install.

pacaur -S - < aur.txt