Thanks a lot, Jim! Dimitri On Fri, Jul 29, 2011 at 12:48 PM, jim holtman <[email protected]> wrote: > But your requirements said "last underscore"; so we now have a change > that really says the first underscore. So we change the regex to: > >> strsplit(sub("[^_]+_(.+)_(.+).o$", "\\1 \\2", x), ' ') > [[1]] > [1] "a1" "2.5" > > [[2]] > [1] "a2" "2.53" > > [[3]] > [1] "a3_bla" "1" > >> > > > On Fri, Jul 29, 2011 at 12:40 PM, Dimitri Liakhovitski > <[email protected]> wrote: >> Thank you, Jim. >> It's close but not all the way. The desired result is: >>> [[1]] >>> [1] "a1" "2.5" >>> >>> [[2]] >>> [1] "a2" "2.53" >>> >>> [[3]] >>> [1] "a3_bla" "1" >> >> Dimitri >> >> On Fri, Jul 29, 2011 at 12:35 PM, jim holtman <[email protected]> wrote: >>> try this: >>> >>>> x<-c("name_a1_2.5.o","name_a2_2.53.o","name_a3_bla_1.o") >>>> strsplit(sub(".*?([^_]+)_([^-]+).o$", "\\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? >>> >> >> >> >> -- >> Dimitri Liakhovitski >> marketfusionanalytics.com >> > > > > -- > Jim Holtman > Data Munger Guru > > What is the problem that you are trying to solve? >
-- 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.

