try this:
> identical(
+ grep(
+ "^Intensity *[HL]",
+ c("Intensity","Intensity L", "Intensity H", "Intensity Rep1"),
+ invert = TRUE),
+ as.integer(c(1,4)))
[1] TRUE
>
On Wed, May 1, 2013 at 4:37 AM, Johannes Graumann
<johannes_graum...@web.de>wrote:
> Hello,
>
> Banging my head against a wall here ... can anyone light the way to a
> pattern modification that would make the following TRUE?
>
> identical(
> grep(
> "^Intensity\\s[^HL]",
> c("Intensity","Intensity L", "Intensity H", "Intensity Rep1")),
> as.integer(c(1,4)))
>
> Thank you for your time.
>
> Sincerely, Joh
>
> ______________________________________________
> R-help@r-project.org mailing list
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
--
Jim Holtman
Data Munger Guru
What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.
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