> s1 <- "Hello.World" > which(strsplit(s1, '')[[1]]=='.') [1] 6
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of phoebe kong > Sent: Wednesday, October 01, 2008 2:56 PM > To: r-help@r-project.org > Subject: [R] Looking for position of character in a string > > Hi all, > > I would like to check if a string contains "." in it. If yes, > I would like to know the position of "." in the string. > > Eg: X<-"NM1236.3" > > In above example, "." is at position 7. > > I tried functions grep() and match(). It seems they couldn't > detect ".". > > > Thanks in advance for your help, > Sityee > > [[alternative HTML version deleted]] > > ______________________________________________ > 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.
