Thomas, se ?sub and regular expression. That should make it. Further, see the package gsubfn
Best Simon On Aug 14, 2013, at 2:14 PM, Thomas <thomas.ches...@nottingham.ac.uk> wrote: > I have a string that contains something like: > > ...verified email at neu.edu<br>Cited by > 99853<br></td></tr></table></div></div></div></div><div... > > and I'd like to extract the number next to the text "Cited by " - so it will > be whatever numbers are beside "Cited by " until a non-numeric character is > reached. > > Can anyone suggest a good way of doing this please? > > Thank you, > > Thomas > This message and any attachment are intended solely for the addressee and may > contain confidential information. If you have received this message in error, > please send it back to me, and immediately delete it. Please do not use, > copy or disclose the information contained in this message or in any > attachment. Any views or opinions expressed by the author of this email do > not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, > you are advised to perform your own checks. Email communications with the > University of Nottingham may be monitored as permitted by UK legislation. > > ______________________________________________ > 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.
