[R] Looking for position of character in a string

[Henrique Dallazuanna]

Try this:

gregexpr("\\.", X)

On Wed, Oct 1, 2008 at 3:56 PM, phoebe kong <sityeekong at gmail.com> wrote:
> Hi all,
>
> I would like to check if a string contains "." in it. If yes, I would like
> to know the position of "." in the string.
>
> Eg: X<-"NM1236.3"
>
> In above example, "." is at position 7.
>
> I tried functions grep() and match(). It seems they couldn't detect ".".
>
>
> Thanks in advance for your help,
> Sityee
>
>        [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at r-project.org 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.
>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O