Try this:
> grep("b|c|d", letters, value = TRUE)
[1] "b" "c" "d"
On 10/16/06, Stéphane CRUVEILLER <[EMAIL PROTECTED]> wrote:
> Dear R-users,
>
> is there a way to pass a list of patterns to the grep function? I
> vaguely remember something with %in% operator...
>
>
> Thanks,
>
>
> Stéphane.
>
>
>
> --
> "La science a certes quelques magnifiques réussites à son actif mais
> à tout prendre, je préfère de loin être heureux plutôt qu'avoir raison."
> D. Adams
> --
> AGC website <http://www.genoscope.cns.fr/agc>
> Stéphane CRUVEILLER Ph. D.
> Genoscope - Centre National de Séquencage
> Atelier de Génomique Comparative
> 2, Rue Gaston Cremieux CP 5706
> 91057 Evry Cedex - France
> Phone: +33 (0)1 60 87 84 58
> Fax: +33 (0)1 60 87 25 14
> [EMAIL PROTECTED]
>
> ______________________________________________
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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.
>
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