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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: How to count the number of occurrences of a character in a string?
Date: Mon, 12 Oct 2015 21:18:05 -0400	[thread overview]
Message-ID: <jwvd1wj600s.fsf-monnier+gmane.emacs.help@gnu.org> (raw)
In-Reply-To: CAFyQvY29R-xpAWK6em9fedE1cqVVqRMj6rHsuYWmpp5Yn15feg@mail.gmail.com

>           (setq str (substring-no-properties str (1+ match-pos)))

This will give wrong results for regexp that use things like ^ and \`.

Instead, you should keep using the same `str' and instead pass the
`start' arg to string-match.


        Stefan




  parent reply	other threads:[~2015-10-13  1:18 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
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 [this message]
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
     [not found] <mailman.164.1444679125.7904.help-gnu-emacs@gnu.org>
2015-10-12 23:35 ` Joost Kremers

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