Hi Jim and Hi Jannis, Thanks very much to both of you for your help! Both methods work perfectly! Always good to know that there is more than one way to skin a cat when it comes to R! I will just need to get a grip on the regular expressions, it would seem.
Many thanks again for you r help, much appreciated, Ross -- View this message in context: http://r.789695.n4.nabble.com/partial-matches-across-rows-not-columns-tp2247757p2250306.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.