[R] regular expression submatch?

[Henrique Dallazuanna]

Try this:

gsub("hello (.*)", "\\1", "hello world")

On Mon, Feb 1, 2010 at 4:57 PM, sjaffe <sjaffe at riskspan.com> wrote:
>
> What is the simplest way to extract a matched subexpression?
>
> Eg. in perl you can do
>
> "hello world" =~ m/hello (.*)/
>
> which would return 1(true) and set $1 to the matched subexpression "world".
>
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O