From: <tomas@tuxteam.de>
To: help-gnu-emacs@gnu.org
Subject: Re: Use the characters "+" and "-" in regular expressions
Date: Wed, 19 May 2021 21:16:22 +0200 [thread overview]
Message-ID: <20210519191622.GB4855@tuxteam.de> (raw)
In-Reply-To: <trinity-d5767d58-d51a-4ffb-adff-45a12b89a8c8-1621445950512@3c-app-mailcom-bs08>
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On Wed, May 19, 2021 at 07:39:10PM +0200, steve-humphreys@gmx.com wrote:
> > Sent: Thursday, May 20, 2021 at 4:47 AM
> > From: "Yuri Khan" <yuri.v.khan@gmail.com>
> > To: steve-humphreys@gmx.com
> > Cc: "Skip Montanaro" <skip.montanaro@gmail.com>, "Help Gnu Emacs" <help-gnu-emacs@gnu.org>
> > Subject: Re: Use the characters "+" and "-" in regular expressions
> >
> > On Wed, 19 May 2021 at 23:26, <steve-humphreys@gmx.com> wrote:
> > >
> > > I want to match a space followed by a series of "+" or "-" or "."
> >
> > You forgot to tell us what you tried, and how it doesn’t do what you want.
> >
> > (You probably also forgot to read the manual chapters (info "(emacs)
> > Regexps") and (info "(elisp) Regular Expressions").)
> I had tried
>
> (string-match " [-\+\.]+" s)
But you forgot to read the manual, as Skip noted. Otherwise you would have
read that whithin the [], + and . are not special. Don't escape them.
But the - is special. Put it at the end.
So your bracket sub-expression should be [+.-].
Cheers
- t
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next prev parent reply other threads:[~2021-05-19 19:16 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-19 16:07 Use the characters "+" and "-" in regular expressions steve-humphreys
2021-05-19 16:17 ` Skip Montanaro
2021-05-19 16:26 ` steve-humphreys
2021-05-19 16:47 ` Yuri Khan
2021-05-19 17:39 ` steve-humphreys
2021-05-19 19:16 ` tomas [this message]
2021-05-19 19:27 ` tomas
2021-05-19 19:30 ` Yuri Khan
2021-05-19 21:32 ` tomas
2021-05-19 21:59 ` [External] : " Drew Adams
2021-05-20 6:26 ` RE: [External] : " steve-humphreys
2021-05-20 7:59 ` steve-humphreys
2021-05-20 8:26 ` tomas
2021-05-20 8:41 ` steve-humphreys
2021-05-20 9:42 ` steve-humphreys
2021-05-20 9:56 ` tomas
2021-05-20 10:11 ` steve-humphreys
2021-05-20 10:22 ` tomas
2021-05-20 10:37 ` steve-humphreys
2021-05-20 10:50 ` tomas
2021-05-20 11:19 ` steve-humphreys
2021-05-20 11:27 ` steve-humphreys
2021-05-20 12:04 ` tomas
2021-05-20 11:31 ` Christopher Dimech
2021-05-20 11:40 ` steve-humphreys
2021-05-20 11:49 ` Christopher Dimech
2021-05-20 13:03 ` Jean Louis
2021-05-20 11:59 ` tomas
2021-05-20 12:53 ` Jean Louis
2021-05-20 12:46 ` Jean Louis
2021-05-20 13:55 ` steve-humphreys
2021-05-20 14:14 ` Jean Louis
2021-05-20 14:28 ` steve-humphreys
2021-05-20 16:24 ` Yuri Khan
2021-05-20 16:34 ` steve-humphreys
2021-05-20 17:16 ` Eduardo Ochs
2021-05-20 18:29 ` Drew Adams
2021-05-21 5:48 ` Jean Louis
2021-05-20 10:29 ` Negating a regexp Yuri Khan
2021-05-20 10:39 ` tomas
2021-05-20 12:39 ` [External] : Use the characters "+" and "-" in regular expressions Jean Louis
2021-05-20 7:15 ` Dash in regexp character classes: Beginnig vs. end [was: Use the characters "+" and "-" in regular expressions] tomas
2021-05-20 8:08 ` Robert Pluim
2021-05-19 19:26 ` [External] : Re: Use the characters "+" and "-" in regular expressions Drew Adams
2021-05-19 19:25 ` Drew Adams
2021-05-19 16:27 ` tomas
2021-05-19 16:39 ` Skip Montanaro
2021-05-19 17:43 ` Marcin Borkowski
2021-05-19 19:10 ` tomas
2021-05-19 19:17 ` [External] : " Drew Adams
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