Hi Felipe, gsub("[^0123456789]", "", "AB15E9SDF654VKBN?dvb.65") results in "15965465". Would that be what you are looking for?
Nick Sabbe -- ping: nick.sa...@ugent.be link: http://biomath.ugent.be wink: A1.056, Coupure Links 653, 9000 Gent ring: 09/264.59.36 -- Do Not Disapprove -----Original Message----- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Rainer Schuermann Sent: woensdag 15 december 2010 11:19 To: r-help@r-project.org Subject: Re: [R] Numbers in a string If your OS is Linux, you might want to look at sed or gawk. They are very good and efficient for such tasks. You need it once or as a part of program? Some samples would be helpful... Rgds, Rainer -------- Original-Nachricht -------- > Datum: Wed, 15 Dec 2010 16:55:26 +0800 > Von: Luis Felipe Parra <felipe.pa...@quantil.com.co> > An: r-help <r-help@r-project.org> > Betreff: [R] Numbers in a string > Hello, I have stings which have all sort of characters (numbers, letters, > punctuation marks, etc) I would like to stay only with the numbers in > them, > does somebody know how to do this? > > Thank you > > Felipe Parra > > [[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. -- ------- Windows: Just say No. ______________________________________________ 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. ______________________________________________ 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.