[R] Get the last 3 chars of a string

[Sergio Correia]

I was hoping to avoid using regex except when necessary (u know what
they say), but I'm beginning to think that's the way things are done
in R.

Thanks

On 10/15/07, jim holtman <jholtman at gmail.com> wrote:
> Looks fine by me.  There are lots of other ways of doing it.  Does
> this look any nicer?
>
> > x <- c('asdfghk', 'qwerrey')
> > gsub(".*(...)$", '\\1', x)
> [1] "ghk" "rey"
> >
>
>
> On 10/15/07, Sergio Correia <sergio.correia at gmail.com> wrote:
> > I want to extract the last 3 letters of a string.
> >
> > So far, I've done this:
> >
> > > symbol = 'XYZ.VX"
> > > substr(symbol,nchar(symbol)-2,nchar(symbol))
> > [1] ".VX"
> >
> > It works, but the code looks UGLY as hell. Am I missing something? Or
> > is this the way it's supposed to be?
> >
> > Thanks,
> > Sergio
> >
> > On 10/15/07, pintinho <diego at bpgomes.com> wrote:
> > >
> > > Hi everyone,
> > >
> > > When I try to import data do R, the following message appears: "\Uxxxxxxxx
> > > sequences are not supported on Windows".
> > >
> > > I tried lots of methods to import (read.csv, read.table, RODBC, read.delim)
> > > and the same message appears for all these methods. I think it is a bigger
> > > problem.
> > >
> > > Can anyone help me solving this issue?
> > >
> > > Thanks a lot.
> > >
> > >
> > >
> > > --
> > > View this message in context: http://www.nabble.com/ERROR-while-importing-data-tf4628752.html#a13216707
> > > Sent from the R help mailing list archive at Nabble.com.
> > >
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> > >
> >
> > ______________________________________________
> > R-help at r-project.org mailing list
> > 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.
> >
>
>
> --
> Jim Holtman
> Cincinnati, OH
> +1 513 646 9390
>
> What is the problem you are trying to solve?
>