Hi, The "str_locate" function instringr package may do what you are looking for. Hope this link will help...
http://en.wikibooks.org/wiki/R_Programming/Text_Processing Taka On Mon, Sep 19, 2011 at 7:15 PM, SNV Krishna <kris...@primps.com.sg> wrote: > Hi All, > > I have a character vector by name tickers > >> head(tickers,10) > > V1 > 1 ADARSHPL.BO > 2 AGR.V > 3 AGU > 4 AGU.TO > 5 AIMCO.BO > 6 ALUFLUOR.BO > 7 AMZ.V > 8 AVD > 9 ANILPROD.BO > 10 ARIES.BO > > I would like to extract all elements that has ".BO" in it. I tried > >> grep("\.BO",tickers) > Error: '\.' is an unrecognized escape in character string starting "\." > >> grep(".BO",tickers) > [1] 1 > > Could any one please guide me on this. Many thanks for the help > > Best Regards, > > Krishna > > [[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.