[R] Flummoxed by gsub().

[Rolf Turner]

On 23/08/17 18:41, PIKAL Petr wrote:
> Hi Rolf
> 
> I am not at all an expert in regex but
> 
> gsub("[[:alpha:]]","",x)
> 
> Works as you expected. Do not ask me why.

Thanks Petr.  Stefan Evert's explanation clarified the issue.  Which I 
must say *needed* some clarification!

cheers,

Rolf

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