try this:
> x<-c("name_a1_2.5.o","name_a2_2.53.o","name_a3_bla_1.o")
> strsplit(sub(".*?([^_]+)_([^-]+).o$", "\\1 \\2", x), ' ')
[[1]]
[1] "a1" "2.5"
[[2]]
[1] "a2" "2.53"
[[3]]
[1] "bla" "1"
>
On Fri, Jul 29, 2011 at 12:08 PM, Dimitri Liakhovitski
<[email protected]> wrote:
> Hello!
> Hope you could help me split the strings.
>
> I have a set of strings:
>
> x<-c("name_a1_2.5.o","name_a2_2.53.o","name_a3_bla_1.o")
>
> I need to extract from each string:
>
> 1. Its unique part that comes before the last "_", i.e.: "a1","a2","a3_bla".
> 2. The part that comes after the last "_" and before ".o" at the end,
> i.e.: 2.5, 2.53, 1.
>
> Thank you so much for your help!
>
> --
> Dimitri Liakhovitski
> marketfusionanalytics.com
>
> ______________________________________________
> [email protected] 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
Data Munger Guru
What is the problem that you are trying to solve?
______________________________________________
[email protected] 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.