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.
