how about: length(gregexpr("the", Text)[[1]])
? b On Apr 4, 2007, at 10:49 AM, Schmitt, Corinna wrote: > Dear R-experts, > > I'm looking for an easy possibility for pattern search. I have got a > string and a special pattern. I would like to know if the pattern > appears in the string, if yes where does it appear (position) and the > number of appearance. > > Example: > > Text = c("If the sun shines, no clouds should be seen in the sky!") > SearchPattern = c("the") > NumberOfAppearance = 0 > NumberOfLetters = 0 > > --> NumberOfAppearance should be 2 in the end > > How can I get the string length (=number of letters stored in Text)? > > Has anyone a good idea? > > Thanks, Corinna > > ______________________________________________ > 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. ______________________________________________ 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.