[R] Split a character string with two separators

[Ulrik Stervbo]

or strsplit?

test <-"k0298_7832_8964"

# Split and remove letters
test <- unlist(strsplit(test, "\\_"))
test <- gsub("[a-z]", "", test[1])

# Split on letters and underscore
test <-"k0298_7832_8964"
test <- unlist(strsplit(test, "[a-z]|\\_"))
test[2]


On Thu, 18 Feb 2016 at 18:43 Ben Tupper <btupper at bigelow.org> wrote:

> Hi,
>
> Will substring work for you?
>
> ?substring
>
> Cheers,
> Ben
>
> > On Feb 18, 2016, at 12:36 PM, Marine Regis <marine.regis at hotmail.fr>
> wrote:
> >
> > Hello,
> >
> >> From this character string:
> >
> > test <-"k0298_7832_8964"
> >
> > how can I obtain:
> >
> > [[1]]
> >
> > "0298"
> >
> > Thank you very much for your help.
> >
> >       [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
>
>
> Ben Tupper
> Bigelow Laboratory for Ocean Sciences
> 60 Bigelow Drive, P.O. Box 380
> East Boothbay, Maine 04544
> http://www.bigelow.org
>
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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