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From: tomas@tuxteam.de
To: carlmarcos@tutanota.com
Cc: help-gnu-emacs@gnu.org
Subject: Re: Tools for those working heavily with strings
Date: Sun, 24 Jul 2022 15:17:48 +0200	[thread overview]
Message-ID: <Yt1GfBOinlGz84si@tuxteam.de> (raw)
In-Reply-To: <N7k-xRK--3-2@tutanota.com>

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On Sun, Jul 24, 2022 at 01:42:14PM +0200, carlmarcos@tutanota.com wrote:
> Jul 24, 2022, 11:26 by tomas@tuxteam.de:
> 
> > On Sun, Jul 24, 2022 at 01:12:39PM +0200, carlmarcos--- via Users list for the GNU Emacs text editor wrote:
> >
> > [...]
> >
> >> I'd appreciate if emacs could provide a minimum set of functions to manipulate list,
> >> as string manipulations are of good use.
> >>
> >
> > Why do you always refuse to read the docs?
> >
> >> What can be introduced, you think?
> >>
> >
> > What is missing, from your point of view?
> >
> What can I use to test whether a string in composed of whitespace or is empty?

Try (string-match-p "^[[:space:]]*$" your-string-here)

If you want it to only match "horizontal white space" (i.e. no newlines,
no vertical tabs), try :blank: instead.

Cheers
-- 
t

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  parent reply	other threads:[~2022-07-24 13:17 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-24  5:04 Tools for those working heavily with strings carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-24  5:11 ` Jean Louis
2022-07-24  5:17   ` carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-24  8:45     ` Jean Louis
2022-07-24  8:44   ` Jean Louis
2022-07-24 11:12     ` carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-24 11:26       ` tomas
2022-07-24 11:42         ` carlmarcos--- via Users list for the GNU Emacs text editor
2022-07-24 13:11           ` Arash Esbati
2022-07-24 13:17           ` tomas [this message]
2022-07-24 13:20             ` Philip Kaludercic
2022-07-24 13:23               ` tomas
2022-07-24 14:45                 ` Philip Kaludercic
2022-07-24 20:04           ` Jean Louis
2022-07-24 20:00       ` Jean Louis

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