The excellent lf file manager now has support for filtering the list of files: https://github.com/gokcehan/lf/commit/ff0933ca03143d9528520c0e6f6b695bb947ac1e [https://github.com/gokcehan/lf/commit/ff0933ca03143d9528520c0e6f6b695bb947ac1e]

— Bascht (@bascht)