Message-ID: <CAF8bMcZ+vQZQ=t-Np3nS_rp+e313qCp+ZkWR+E5+xvQHgcjwZg@mail.gmail.com>
Date: 2017-02-06T18:51:23Z
From: William Dunlap
Subject: regex [:digit:] gives diffrent result
In-Reply-To: <f908b96c-e844-5211-24f4-0571d10b6cec@t-online.de>
Shouldn't your "[:digit:]" be "[[:digit:]]"?
Bill Dunlap
TIBCO Software
wdunlap tibco.com
On Mon, Feb 6, 2017 at 10:36 AM, Tilmann Faul <Tilmann_Faul at t-online.de> wrote:
> Using R is a grate advantage, thanks for your work.
>
> Using regex under R 3.1.1, Debian 8.6 jessy works fine.
>
> str_detect("16-03-08", "[:digit:]{2}")
> [1] TRUE
> str_detect("16-03-08", "[0-9]{2}")
> [1] TRUE
>
> runing the same code under R 3.3.2 backport, Debian 8.6 jessy gives a
> different result. This is also a different computer.
>
> str_detect("16-03-08", "[:digit:]{2}")
> [1] FALSE
> str_detect("16-03-08", "[0-9]{2}")
> [1] TRUE
>
> Is this intended?
> My workaround is using [0-9] instead of [:digit:].
>
> Thanks
> Tilmann
>
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