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

[Bert Gunter]

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

-- 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
>
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