> gregexpr("[0-9]","this1is2a3test") [[1]] [1] 5 8 10 attr(,"match.length") [1] 1 1 1
> unlist(gregexpr("[0-9]","this1is2a3test")) [1] 5 8 10 Tom.O wrote: > > I have this problem where I need to find if there is any numbers in a > string, this is no problem if theres only one number per string. I would > then simply use the regexpr() funtion togheter with the substring function > to extract the number. But regexpr only picks one number per string either > from the beginning or the end, but not multiple. Can this be done? And how > > for example > My string <- "this1is2a3test" > > The result I want is an vector of c(1,2,3) > -- View this message in context: http://www.nabble.com/Finding-multiple-characters-in-the-same-string-tf4205206.html#a11962341 Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@stat.math.ethz.ch 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.