Thank you very much. This definitely helps me out. Math
Jeff Newmiller wrote > > There are many resources for learning regular expressions (e.g. > http://gnosis.cx/publish/programming/regular_expressions.html). Once you > understand the basics you will probably be able to refer to the ?regex > help page for specific tools. After you have waded through a tutorial, the > following explanation should make more sense. > > The braces are extended regex syntax for a repetition of a pattern by some > minimum to some maximum number of times. The pattern immediately precedes > the repetition specification. In the first case of {0,1} the pattern being > repeated is the comma, and in the second case it is any of the characters > in the square brackets (a period in this case). The period is a special > "match any character" pattern when not part of a set of characters. A > common shorthand for zero or one of something is a + symbol. > > Also, please learn to provide quoting context for the majority of us who > do not use Nabble. > --------------------------------------------------------------------------- > Jeff Newmiller The ..... ..... Go > Live... > DCN:<jdnewmil@.ca> 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. > > mdvaan <mathijsdevaan@> wrote: > >>Thanks! That works like a charm, but I am not sure if I fully >>understand the >>syntax. I looked at the gsub page but still couldn't figure it out. >>What >>does the pattern part (",{0,1} Inc[.]{0,1}") do? What do the 0 and 1 >>within >>the curly brackets refer to? Also, what if, for example, I would want >>to >>remove the word "Energy"? >> >>Thank you very much in advance. >> >>Math >> >>-- >>View this message in context: >>http://r.789695.n4.nabble.com/gsub-strsplit-with-multiple-patterns-splits-tp4631873p4631897.html >>Sent from the R help mailing list archive at Nabble.com. >> >>______________________________________________ >>R-help@ 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@ 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. > -- View this message in context: http://r.789695.n4.nabble.com/gsub-strsplit-with-multiple-patterns-splits-tp4631873p4631934.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
