See this example:

Str <- c("345asd", "31qwe", "234tyu", "40kjhg")
grep("^3", Str, value = TRUE)
split(Str, substr(Str, 1, 1))

On Fri, Aug 28, 2009 at 7:29 AM, Carlos Gonzalo Merino Mendez <
carlosgmerino@yahoo.com> wrote:

> Hi,
>
> I posted yesterday with a problem in a script. I still have the same
> problem, but I think I found a better way to explain my problem.
>
> I have a vector of character strings. Each string is unique, including
> numbers and letters. In the real world they represent a list of codes, so
> each position in the string has a meaning to me. I want to make a subset of
> the vector using "wildcards". So for example, take all the strings that
> start with 3.
>
> Any ideas how to do that?
>
> Thanks for any help.
>
>
>
>
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>
> ______________________________________________
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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.
>



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

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