[R] Extracting text from a character string

[Gabor Grothendieck]

Try this:

library(gsubfn)
x <- "CB01_0171_03-27-2002-(Sample 26609)-(126)"
unlist(strapply(x, "..-..-...."))

The gsubfn home page is at:
http://code.google.com/p/gsubfn/

On 3/9/07, Shawn Way <shawnwaypublic at yahoo.com> wrote:
> I have a set of character strings like below:
>
>  > data3[1]
> [1] "CB01_0171_03-27-2002-(Sample 26609)-(126)"
> >
>
>  I am trying to extract the text 03-27-2002 and convert this into a date for the same record.  I keep looking at the grep function, however I cannot quite get it to work.
>
>  grep("\d\d-\d\d-\d\d\d\d",data3[1],perl=TRUE,value=TRUE)
>
>  Any hints?
>
>  Shawn Way
>
>
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