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From: Joost Kremers <joost.m.kremers@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: How to count the number of occurrences of a character in a string?
Date: 12 Oct 2015 23:35:26 GMT	[thread overview]
Message-ID: <d82uduF8jviU1@mid.individual.net> (raw)
In-Reply-To: mailman.164.1444679125.7904.help-gnu-emacs@gnu.org

Marcin Borkowski wrote:
> the subject line says it all.  Is there any built-in Elisp function to
> do that?

Not that I know of.

>  Should I just use cl-count?

That's one option, if you don't mind depending on cl.

Alternatively, split-string may be of help:

(length (split-string "abcbdbeb" "[^b]" t)) ==> 4 (#o4, #x4, ?\C-d)

But that's rather opaque, so you might want to add a comment to tell
your future self what you're doing here...



-- 
Joost Kremers                                   joostkremers@fastmail.fm
Selbst in die Unterwelt dringt durch Spalten Licht
EN:SiS(9)


       reply	other threads:[~2015-10-12 23:35 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <mailman.164.1444679125.7904.help-gnu-emacs@gnu.org>
2015-10-12 23:35 ` Joost Kremers [this message]
2015-10-12 19:45 How to count the number of occurrences of a character in a string? Marcin Borkowski
2015-10-12 21:43 ` Kaushal Modi
2015-10-12 23:27   ` Nick Dokos
2015-10-13  1:18   ` Stefan Monnier
2015-10-13 16:06     ` Kaushal Modi
2015-10-13 16:31       ` Kaushal Modi
2015-10-13 16:48       ` Eli Zaretskii
2015-10-13 17:41         ` Eli Zaretskii
2015-10-13 17:43         ` Kaushal Modi
2015-10-13 19:07           ` Eli Zaretskii
2015-10-13 19:56             ` Kaushal Modi
2015-10-13 20:17               ` Eli Zaretskii
2015-10-13 20:41                 ` Kaushal Modi
     [not found]               ` <mailman.267.1444767491.7904.help-gnu-emacs@gnu.org>
2015-10-13 20:46                 ` Brendan Halpin
2015-10-13 21:07                   ` Kaushal Modi
     [not found]                   ` <mailman.273.1444770543.7904.help-gnu-emacs@gnu.org>
2015-10-13 22:44                     ` Joost Kremers
2015-10-14 10:04                       ` Oleh Krehel
2015-10-14 17:06                         ` Eli Zaretskii
2015-10-13 20:43           ` Michael Heerdegen
2015-10-13 20:59             ` Charles Curley
2015-10-14 18:19           ` Noam Postavsky
2015-10-14 20:00             ` Kaushal Modi
2015-10-13 22:00 ` Emanuel Berg

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