[R] splitting by the last occurance of a dot
ggrothendieck at gmail.com
Tue Nov 8 13:02:52 CET 2011
On Tue, Nov 8, 2011 at 6:48 AM, Ashim Kapoor <ashimkapoor at gmail.com> wrote:
>> Assuming we want to split off the number at the end try this which
>> splits on those dots which are followed by a digit:
>> strsplit(r, "\\.(?=\\d)", perl = TRUE)
> Dear Gabor,
> Thank you very much. That works very well. I don't completely understand it
> though. A few words on what the (?=\\d) is doing would be nice.
See the info on zero width lookahead assertions on the ?regex page.
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