R help - Nov 2009 - Regular expression substitution ...

I would like to replace all occurences of

    /pc

with

   \%

using something like

sub("/pc", "\%", x)

but I am unable to make the '\' pass through.

Any hint?

Thanks,

Roberto

It's a bit strange:

 > sub("/pc", '\\%', x)
[1] "%"
 >
 > sub("/pc", '\\\\%', x)
[1] "\\%"

Also with fixed I'm not able to get a single \ as return value.

Sander

On 2 nov 2009, at 12:36, Roberto Brunelli wrote:
> I would like to replace all occurences of
>
>    /pc
>
> with
>
>   \%
>
> using something like
>
> sub("/pc", "\%", x)
>
> but I am unable to make the '\' pass through.
>
> Any hint?
>
> Thanks,
>
> Roberto
>
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