Try this: > mainnames<-c("CAD","AUD") > > checknames<-c("CAD.l1","AUD.l1","JPY.l1","EUR.l1","CAD.l2","AUD.l2","JPY.l2","EUR.l2") > > x.match <- grep(paste(mainnames, collapse="|"), checknames) > x.match [1] 1 2 5 6 > checknames[-x.match] [1] "JPY.l1" "EUR.l1" "JPY.l2" "EUR.l2" >
On 4/16/07, Leeds, Mark (IED) <[EMAIL PROTECTED]> wrote: > I have a vector of character strings such as > > mainnames<-c("CAD","AUD") and another vector say > > checknames<-c("CAD.l1","AUD.l1","JPY.l1","EUR.l1","CAD.l2","AUD.l2","JPY > .l2","EUR.l2") > > I want a new vector of character strings that is just > resultnames<-c("JPY.l1","EUR.l1","JPY.l2","EUR.l2") > > Because any time a name occurs in checknames that has a subset that > matches with mainnames, the > name in checknames should not be in the final result !!!!!!!!!!!!!!!!! > > I can't use %in% because this example doesn't require exact matching. > The general problem would always have an "el after the dot but the > numbers can go upto double digits. > Thanks a lot. > > > > mark > -------------------------------------------------------- > > This is not an offer (or solicitation of an offer) to buy/se...{{dropped}} > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem you are trying to solve? ______________________________________________ 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.