[R] Get the last 3 chars of a string

[Marc Schwartz]

On Tue, 2007-10-16 at 07:49 -0700, Thomas Lumley wrote:
> On Mon, 15 Oct 2007, Gabor Grothendieck wrote:
> 
> > Here is an alternative:
> >
> > sub(".*(..)$", "\\1", x)
> >
> 
> For sufficiently small values of 3 ;)

> all.equal(2.99999999, 3)
[1] TRUE

;-)

Marc