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.