> On 23 Aug 2017, at 07:45, Rolf Turner <r.tur...@auckland.ac.nz> wrote:
>
> My reading of ?regex led me to believe that
>
> gsub("[:alpha:]","",x)
>
> should give the result that I want.
That's looking for any of the characters a, l, p, h, : .
What you meant to say was
gsub("[[:alpha:]]","",x)
i.e. the character class [:alpha:] within a character set.
Best,
Stefan
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