I have the following list of strings: x <- c("foo, foo2, foo3", "bar", "qux, qux1") what I want to do is to obtain foo, bar qux Namely for each element in the vector obtain only string before the first comma. What's the way to do it? - G.V. [[alternative HTML version deleted]]
gsub("\\,.*","",x) #[1] "foo" "bar" "qux" A.K. ----- Original Message ----- From: Gundala Viswanath <gundalav at gmail.com> To: "r-help at stat.math.ethz.ch" <r-help at stat.math.ethz.ch> Cc: Sent: Monday, April 1, 2013 10:13 PM Subject: [R] How to remove all characters after comma in R I have the following list of strings: x <- c("foo, foo2, foo3", "bar", "qux, qux1") what I want to do is to obtain foo, bar qux Namely for each element in the vector obtain only string before the first comma. What's the way to do it? - G.V. ??? [[alternative HTML version deleted]] ______________________________________________ R-help at 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.
On 04/02/2013 03:13 PM, Gundala Viswanath wrote:> I have the following list of strings: > > x <- c("foo, foo2, foo3", "bar", "qux, qux1") > > what I want to do is to obtain > > foo, bar qux > > Namely for each element in the vector obtain only string > before the first comma. > > What's the way to do it?This seems to work: > x <- c("foo, foo2, foo3", "bar", "qux, qux1") > sub(",.*$","",x) [1] "foo" "bar" "qux" cheers, Rolf Turner