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From: <tomas@tuxteam.de>
To: help-gnu-emacs@gnu.org
Subject: Re: execute function in replace-regexp
Date: Sun, 1 Oct 2017 09:55:00 +0200	[thread overview]
Message-ID: <20171001075500.GC16509@tuxteam.de> (raw)
In-Reply-To: <864lrjwo0b.fsf@zoho.com>

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On Sun, Oct 01, 2017 at 05:22:28AM +0200, Emanuel Berg wrote:
> How can I execute a Lisp function, namely
> `downcase', on the match from `replace-regexp'?
> 
> I Googled it and found [1] the syntax
> 
>     \, (downcase \1)
> 
> but doesn't get executed, just replaced as is.

 - There should be no space between the comma and the paren:
   \,(...)

 - I *think* you should string-quote the \1 (the \1 itself gets,
   AFAIR, replaced literally: to have correct elisp you need
   quotes, but I might be wrong on that)

This would make:

     \,(downcase "\1")

Cheers
- -- t
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  reply	other threads:[~2017-10-01  7:55 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-01  3:22 execute function in replace-regexp Emanuel Berg
2017-10-01  7:55 ` tomas [this message]
2017-10-01  8:44   ` Emanuel Berg
2017-10-01  8:49     ` tomas
2017-10-01 18:41 ` Marcin Borkowski
2017-10-01 20:26   ` Emanuel Berg
2017-10-02  4:49     ` Marcin Borkowski
2017-10-02  8:11       ` Emanuel Berg
2017-10-02  7:08   ` tomas

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