From: Christopher Dimech <dimech@gmx.com>
To: moasenwood@zoho.eu
Cc: help-gnu-emacs@gnu.org
Subject: Re: bounds for strings with - between subwords
Date: Fri, 7 May 2021 01:37:54 +0200 [thread overview]
Message-ID: <trinity-4bc4095e-2586-4947-9d70-e3e4e04fafeb-1620344274022@3c-app-mailcom-bs12> (raw)
In-Reply-To: <871raj32ba.fsf@zoho.eu>
> Sent: Friday, May 07, 2021 at 10:49 AM
> From: "Emanuel Berg via Users list for the GNU Emacs text editor" <help-gnu-emacs@gnu.org>
> To: help-gnu-emacs@gnu.org
> Subject: Re: bounds for strings with - between subwords
>
> steve-humphreys wrote:
>
> > I am using the following function that gets me the bounds
> > for each word.
> >
> > But I have strings like
> >
> > bibl-bellerive-etal-2016
> >
> > which I want to get the bounds for strings with -
> > between subwords.
>
> I'm not following 100% but you can add digits and a dash to
> your below work if that helps?
>
> (skip-chars-forward "[:alnum:]-")
>
> > (defun alpha-bounds ()
> > "Gets bounds of a subword unit defined by regular expression [a-zA-Z]."
> > (let ( ($bounds nil) $ma $mb )
> > (skip-chars-backward "[:alpha:]")
> > (setq $ma (point))
> > (skip-chars-forward "[:alpha:]")
> > (setq $mb (point))
> > (setq $bounds (bounds-of-thing-at-point 'word))
> > (cons $ma $mb) ))
>
> You can put all that in the `let' to avoid the use of `setq'.
>
> Also $bounds doesn't seem to do anything?
bounds are used in another function. You can see there is (cons $ma $mb) at the end,
which is used as output when you call "alpha-bounds".
> And what's the purpose of the $?
I use $ no tell me the variable is local and not being modified from outside.
It is coming from the $1, $2, $3, ... function parameter idea.
> --
> underground experts united
> https://dataswamp.org/~incal
>
>
>
next prev parent reply other threads:[~2021-05-06 23:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-06 22:32 bounds for strings with - between subwords steve-humphreys
2021-05-06 22:49 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-05-06 23:37 ` Christopher Dimech [this message]
2021-05-06 23:44 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-05-06 23:58 ` Christopher Dimech
2021-05-07 1:17 ` steve-humphreys
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