On Sep 20, 2011, at 6:49 PM, Henri-Paul Indiogine wrote:
My objective is to define a pattern for a grep() statement. Thanks, Henri-Paul
You are not illustrating the problem with enough detail to determine the source of your errors. The errors do not appear when tested in what appears to be the obvious manner:
> pt1 <- "[Aa]ccountability" > grep(pt1, "accountability") [1] 1 > grep(pt1, "Accountability") [1] 1 > grep(pt1, "countability") integer(0) An old advertisement in TV in the US used to ask: "Where's the Beef?" -- David Winsemius, MD West Hartford, CT ______________________________________________ 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.
