You will need to escape special characters. Here is an example : my.string <- "Here is a quote \" in a string" my.string [1] "Here is a quote \" in a string"
gsub("\"", "", my.string) [1] "Here is a quote in a string" See help(regexp) for more details. Regards, Adai On Sun, 2005-06-12 at 14:10 +0200, Werner Wernersen wrote: > Thanks for the reply, Andy! > > My problem was that I could not get rid of a double > quote character within the > string. I don't know what I have done before, but now > it works...?!?! > Sorry for bothering you. > > Best, > Werner > > > Liaw, Andy wrote: > > Please define "does not work". Here's what I get: > > > > > >>m <- matrix(paste(letters[1:4], "does not work."), > 2, 2) > >>m > > > > [,1] [,2] > > [1,] "a does not work." "c does not work." > > [2,] "b does not work." "d does not work." > > > >>gsub("does not work.", "", m) > > > > [1] "a " "b " "c " "d " > > > >>structure(gsub("does not work.", "", m), dim=dim(m)) > > > > [,1] [,2] > > [1,] "a " "c " > > [2,] "b " "d " > > > > R-2.1.0 on WinXPPro. > > > > Andy > > > > > >>From: Werner Wernersen > >> > >>Hi! > >> > >>I have strings where occasionally some "-chars > occur. > >>How can I delete these chars? > >> > >>I tried it with gsub but using "" as replace does > not > >>work. > >> > >>Thanks a lot for any hint! > >>Regards, > >> Werner > >> > >>______________________________________________ > >>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 > >> > >> > >> > > > > > > > > > > > ------------------------------------------------------------------------------ > > Notice: This e-mail message, together with any > attachments, contains information of Merck & Co., Inc. > (One Merck Drive, Whitehouse Station, New Jersey, USA > 08889), and/or its affiliates (which may be known > outside the United States as Merck Frosst, Merck Sharp > & Dohme or MSD and in Japan, as Banyu) that may be > confidential, proprietary copyrighted and/or legally > privileged. It is intended solely for the use of the > individual or entity named on this message. If you > are not the intended recipient, and have received this > message in error, please notify us immediately by > reply e-mail and then delete it from your system. > > > ------------------------------------------------------------------------------ > > > > > > ______________________________________________ > 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 > ______________________________________________ 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