[R] decomposing a string representing a valid mathematical expression?

Bert Gunter bgunter@4567 @end|ng |rom gm@||@com
Tue Oct 29 15:37:50 CET 2019

Not sure what you're looking for, but see ?deparse for deparsing

-- Bert
Bert Gunter

"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )

On Tue, Oct 29, 2019 at 5:56 AM Witold E Wolski <wewolski using gmail.com> wrote:

> Hello,
> I would like to decompose a string i.e.
> "a - b"
> or "a +b"
> into an array or list
> ["a","-","b"]
> Since R knows how to parse expressions these type of expressions I
> would like to reuse some existing functions and not to use gsub or
> strsplit etc.
> Thank you
> Witek
> --
> Witold Eryk Wolski
> ______________________________________________
> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> 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.

	[[alternative HTML version deleted]]

More information about the R-help mailing list