[R] Removing "+" and "?" signs

[Peter Dalgaard]

Jorge Ivan Velez wrote:
> And if you want to replace both "+" and "?", here is a suggestion:
> 
> x <- "asdf+,jkl?"
> gsub("[?]|[+]", "", x)
> # [1] "asdf,jkl"

Once you're into character classes ([....]), you might as well go all 
the way:

 > gsub("[?+]", "", x)
[1] "asdf,jkl"



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