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Re: `ibuffer-saved-filter-groups` case sensitive?

From: Michael Heerdegen
Subject: Re: `ibuffer-saved-filter-groups` case sensitive?
Date: Fri, 07 Apr 2017 19:03:55 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

zimoun <> writes:

> Thank you for the tip.
> However, I have tried different  ways to use it and no one works.
> Any advice ?

This works for me:

#+begin_src emacs-lisp
 (setq ibuffer-saved-filter-groups
       (quote (("default"
                ("lower" (name . "\\`[^[:upper:]]*\\'"))
                ("Upper" (name . "[[:upper:]]"))))))
 (add-hook 'ibuffer-mode-hook
          (lambda ()
            (setq-local case-fold-search nil)
            (ibuffer-switch-to-saved-filter-groups "default")))

"[[:lower:]]" would match names containing at least one lowercase
letter.  That's not what you want.  The regexp used above for "lower"
matches any string not containing any uppercase letter.


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