[R] Question to regular expressions

[hadley wickham]

On Tue, Dec 2, 2008 at 9:48 AM, Antje <niederlein-rstat at yahoo.de> wrote:
> Hi Gabor,
>
> it works! Thank you very much! But I still don't understand the difference
> between [0-9] and [:digit:]...

You might find this site helpful:
http://regexp.resource.googlepages.com/analyzer.html

Copy in your attempt and Gabor's correction to see the difference more clearly.

Hadley

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