On Fri, Nov 2, 2012 at 6:02 PM, Alexander Shenkin <ashen...@ufl.edu> wrote:
> Hi Folks,
>
> I'm trying to extract just the backreferences from a regex.
>
>> temp = "abcd1234abcd1234"
>> regmatches(temp, gregexpr("(?:abcd)(1234)", temp))
> [[1]]
> [1] "abcd1234" "abcd1234"
>
> What I would like is:
> [1] "1234" "1234"
>
> Note: I know I can just match 1234 here, but the actual example is
> complicated enough that I have to match a larger string, and just want
> to pass out the backreferenced portion.
>
> Any help greatly appreciated!
>Try this: > library(gsubfn) > strapplyc(temp, "abcd(1234)") [[1]] [1] "1234" "1234" -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com ______________________________________________ R-help@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.
