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bug#14013: 24.3.50; dired-isearch-filenames-regexp is matching text outs

From: Michael Heerdegen
Subject: bug#14013: 24.3.50; dired-isearch-filenames-regexp is matching text outside filenames
Date: Thu, 21 Mar 2013 03:24:11 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

Juri Linkov <address@hidden> writes:

> >> .* matches a whole line.  We can't hide from Isearch the fact
> >> that lines in Dired contain more details besides filenames.
> >
> > What about doing this (unrelated parts stripped, just as an example):
> >
> > (defun dired-isearch-filter-filenames (beg end)
> >   (let ((beg (min beg end))
> >         (end (max beg end)))
> >    (and (get-text-property beg 'dired-filename)
> >         (or (eq (char-after end) ?\n)
> >             (get-text-property end 'dired-filename)))))
> This doesn't work when searching for the regexp .+
> .+ matches nothing but should match the same text as .*

Right, thanks.  Now I'm beginning to understand how this code works.

But the current situation is IMHO a bit unsatisfying - don't you think
that being able to use the "wildcard" ".*" is a common, when not the
most important reason why a user would want to use regexp filename
searching in dired?

Would it be an appropriate approach to use a more sophisticated value
for `isearch-search-fun-function' for that case?  This function could
e.g. jump to the next filename before starting searching.



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