> On Jul 26, 2016, at 4:28 PM, Dimitri Liakhovitski
> <dimitri.liakhovit...@gmail.com> wrote:
>
> Hello!
>
> I have a string x:
> x <- c("x - 84", "y - 293.04", "z = 12.5")
>
> I want to remove all the non-numeric stuff from it. The following works:
> gsub("[^0-9]", "", x)
>
> However, it strips my numbers of "."
>
> Help - how could I do the same but leave the "." in?
>
> Thanks a lot!
>
> --
> Dimitri Liakhovitski
> gsub("[^0-9\\.]", "", x)
[1] "84" "293.04" "12.5"
The period needs to be escaped since it otherwise has special meaning in the
regex.
Regards,
Marc Schwartz
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