Macnamara, Aidan wrote:
> Hi,
>
> I'm looking to use the grep function (or something else) to return the
> matched pattern as opposed to the whole element. For example:
>
> x <- c("pjhj24jhjhd")
> grep("[[:digit:]]{2}", x, value=T) returns "people", whereas I simply want
> "24".
>
> Any help would be appreciated,
>
> Thanks, Aidan
>
Hi,
You need gsub, as in:
R> gsub("^.*([[:digit:]]{2}).*$","\\1", x )
[1] "24"
Cheers,
Romain
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