[R] Search a function name in a string

[Uwe Ligges]

NOEL Yvonnick wrote:
> Hello,
> 
> I am trying to find a function name in a string that expresses a 
> functional form :
> 
>  > s = "blabla...S(var)...blabla"
> 
> I would like to detect the pattern "S(*)" in s.
> 
> I am no guru at regular expressions. Just tried :
> 
>  > grep("S(.*)",c("S(a)","CSP"))

grep("S\\(.*\\)",c("S(a)","CSP"))

Uwe Ligges

> [1] 1 2
>  >
> 
> I expected the pattern to be retrieved only in the first string, so 
> obviously this is not correct. Any idea ?
> 
> Thank you very much in advance,
> 
> Yvonnick Noel, PhD
> U. of Rennes 2
> France
> 
> ______________________________________________
> R-help at stat.math.ethz.ch 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.