For example, ~f johnwill match From: John Doe <john....@example.com> but ~f John won't. Is there a way that either 'john or John' match this From line?fwiw: may be a shortcoming unique to your distro or version. it works on my openSUSE Tumbleweed, mutt-1.6.0.
Also works for me on Debian Jessie / mutt 1.6.2-neo. Jeremy