Thanks for everyone who replied with those wonderful solutions! Jun
On Thu, Aug 28, 2014 at 2:11 PM, Enrico Schumann <e...@enricoschumann.net> wrote: > On Thu, 28 Aug 2014, Jun Shen <jun.shen...@gmail.com> writes: > > > Hi everyone, > > > > I believe I am not the first one to have this problem but couldn't find a > > relevant thread on the list. > > > > Say I have a string (actually it is the whole column in a data frame) in > a > > format like this: > > > > test<- 'AF14-485-502-89-00235' > > > > I would like to split the test string and keep the last part. I think I > can > > do the following > > > > sub('.*-.*-.*-.*-(.*)','\\1', test) > > > > to keep the fifth part of the string. But this won't work if other > strings > > have more or fewer parts separated by '-'. Is there a general way to do > it? > > Thanks. > > > > Jun > > This should work for your example: > > gsub(".*-([^-]*)$", "\\1", test) > > > > -- > Enrico Schumann > Lucerne, Switzerland > http://enricoschumann.net > [[alternative HTML version deleted]] ______________________________________________ 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.