more general hooks to handle similar mailing lists

[Remco Rijnders]

On Sun, Oct 11, 2020 at 08:08:07AM +0200, Claus wrote in 
<20201011060807.GA46684 at kiel.esmtp.org>:
>I'm trying to use a more generic approach for some patterns
>to handle mailing list, e.g., something like:
>
>save-hook "~C ietf-\\([a-z0-9]+\\)@ietf.org" =%1
>
>instead of having one entry for each mailing list.
>Is that possible with the current mutt features?

I know it is not a direct answer to your question, but it might perhaps get the
end result you want; Have you considered using procmail or a sieve filter to
automatically save mail matching your regex to the folder you want?