Try this: gsub(".*[^0-9]", "", header)
On Thu, Dec 3, 2009 at 12:00 PM, oscar linares <wins...@gmail.com> wrote: > Dear Wiza[R]ds, > > I have a data.frame header that looks like this: > > v2FfaPre15 v2FfaPre10 v2FfaPre5 v2Ffa2 v2Ffa3 v2Ffa4 > > I need it to look like this, > > 15 10 5 2 3 4 > > i.e., with v2FfaPre and v2Ffa stripped off > > Any suggestions, > > Thanks in advance! > > -- > Oscar > Oscar A. Linares, MD > Translational Medicine Unit > LaPlaisance Bay, Bolles Harbor > Monroe, Michigan 48161 > > Department of Medicine, > University of Toledo College of Medicine > Toledo, OH 43606-3390 > > Department of Internal Medicine, > The Detroit Medical Center (DMC) > Harper University Hospital > Wayne State University School of Medicine > Detroit, Michigan 48201 > > [[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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.