From: "Mattias Engdegård" <mattiase@acm.org>
To: "Basil L. Contovounesios" <contovob@tcd.ie>
Cc: Paul Eggert <eggert@cs.ucla.edu>, emacs-devel <emacs-devel@gnu.org>
Subject: Re: Regexp error scan (March 26)
Date: Wed, 27 Mar 2019 10:14:29 +0100 [thread overview]
Message-ID: <7E84CED0-9E85-45FB-8BBF-B87ED51F4818@acm.org> (raw)
In-Reply-To: <87h8bpvv74.fsf@tcd.ie>
27 mars 2019 kl. 04.43 skrev Basil L. Contovounesios <contovob@tcd.ie>:
>
> Paul Eggert <eggert@cs.ucla.edu> writes:
>
>> (replace-regexp-in-string
>> - (format "[%s]"
>> - (mapconcat (lambda (char)
>> - (regexp-quote (char-to-string char)))
>> - erc-lurker-ignore-chars ""))
>> + (regexp-opt (cl-delete-duplicates
>> + (mapcar #'char-to-string erc-lurker-ignore-chars)))
>> "" nick)
>> nick))
>
> regexp-opt already deletes duplicates, so you can just:
>
> (regexp-opt (mapcar #'char-to-string erc-lurker-ignore-chars))
>
> Besides, cl-delete-duplicates defaults to eql for equality, so it's a
> no-op here anyway.
Or perhaps:
(regexp-opt-charset (append erc-lurker-ignore-chars nil))
next prev parent reply other threads:[~2019-03-27 9:14 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-26 17:38 Regexp error scan (March 26) Mattias Engdegård
2019-03-27 2:10 ` Paul Eggert
2019-03-27 3:43 ` Basil L. Contovounesios
2019-03-27 9:14 ` Mattias Engdegård [this message]
2019-03-27 13:55 ` Andy Moreton
2019-03-27 14:36 ` Stefan Monnier
2019-03-27 14:41 ` Mattias Engdegård
2019-03-27 14:45 ` Stefan Monnier
2019-03-27 14:49 ` Noam Postavsky
2019-03-27 15:45 ` Mattias Engdegård
2019-03-27 15:48 ` Stefan Monnier
2019-03-27 18:50 ` Paul Eggert
2019-03-27 15:28 ` Damien Collard
2019-03-27 12:09 ` Mattias Engdegård
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