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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