content[na.omit(pmatch(searchset, content,,TRUE))] -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111
> -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of Ralf B > Sent: Tuesday, July 13, 2010 5:47 AM > To: r-help@r-project.org > Subject: [R] StartsWith over vector of Strings? > > Given vectors of strings of arbitrary length > > content <- c("abc", "def") > searchset <- c("a", "abc", "abcdef", "d", "def", "defghi") > > Is it possible to determine the content String set that matches the > searchset in the sense of 'startswith' ? This would be a vector of all > strings in content that start with the string of any of the strings in > the searchset. In the little example here, this would be: > > result <- c("abc", "abc", "def", "def") > > Best, > Ralf > > ______________________________________________ > 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.