Hi , Is there any inbuilt functions to check whether a substring is present in a string and give the result as boolean Thanks -- View this message in context: http://r.789695.n4.nabble.com/String-Manipulation-in-R-tp4633104.html Sent from the R help mailing list archive at Nabble.com.
grepl Michael On Tue, Jun 12, 2012 at 8:51 AM, anjali <jeeviram at gmail.com> wrote:> Hi , > Is there any inbuilt functions ?to check whether a substring is present in a > string and give the result as boolean > Thanks > > > -- > View this message in context: http://r.789695.n4.nabble.com/String-Manipulation-in-R-tp4633104.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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.
?grepl Note that this function uses regular expressions, in which certain characters have special meanings, so depending on what string you are looking for you may have to know something about regex patterns to get it to work. --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnewmil at dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity. anjali <jeeviram at gmail.com> wrote:>Hi , >Is there any inbuilt functions to check whether a substring is present >in a >string and give the result as boolean >Thanks > > >-- >View this message in context: >http://r.789695.n4.nabble.com/String-Manipulation-in-R-tp4633104.html >Sent from the R help mailing list archive at Nabble.com. > >______________________________________________ >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.
Hello, Yes, there is. See ?grepl or help('grepl'). Hope this helps, Rui Barradas Em 12-06-2012 14:51, anjali escreveu:> Hi , > Is there any inbuilt functions to check whether a substring is present in a > string and give the result as boolean > Thanks > > > -- > View this message in context: http://r.789695.n4.nabble.com/String-Manipulation-in-R-tp4633104.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. >