* Does replace-match needs a literal TO-STRING?
@ 2014-09-09 21:20 Thorsten Jolitz
2014-09-09 21:26 ` Thorsten Jolitz
0 siblings, 1 reply; 2+ messages in thread
From: Thorsten Jolitz @ 2014-09-09 21:20 UTC (permalink / raw)
To: help-gnu-emacs
Hi List,
I try to use
#+BEGIN_SRC emacs-lisp
(when (search-forward FROM-STRING nil t)
(replace-match TO-STRING nil t))
#+END_SRC
in a temp-buffer, and it works when TO-STRING is literal like "foo", but
not when its a function that builds and then returns the string "foo".
Is that a known restriction or am I doing something wrong?
--
cheers,
Thorsten
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Does replace-match needs a literal TO-STRING?
2014-09-09 21:20 Does replace-match needs a literal TO-STRING? Thorsten Jolitz
@ 2014-09-09 21:26 ` Thorsten Jolitz
0 siblings, 0 replies; 2+ messages in thread
From: Thorsten Jolitz @ 2014-09-09 21:26 UTC (permalink / raw)
To: help-gnu-emacs
Thorsten Jolitz <tjolitz@gmail.com> writes:
> Hi List,
>
> I try to use
>
> #+BEGIN_SRC emacs-lisp
> (when (search-forward FROM-STRING nil t)
> (replace-match TO-STRING nil t))
> #+END_SRC
>
> in a temp-buffer, and it works when TO-STRING is literal like "foo", but
> not when its a function that builds and then returns the string "foo".
>
> Is that a known restriction or am I doing something wrong?
Ok, got it, I have to save-match-data before calling the string building
function (that might regexp search itself), then it works.
Sorry for the noise.
--
cheers,
Thorsten
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