[R] regex -> negate a word

[Rolf Turner]

On 19/01/2009, at 10:44 AM, Gabor Grothendieck wrote:

> Well, that's why it was only provided when you insisted.  This is
> not what regexp's are good at.
>
> On Sun, Jan 18, 2009 at 4:35 PM, Rau, Roland <Rau at demogr.mpg.de>  
> wrote:
>> Thanks! (I have to admit, though, that I expected something simple)

It may not be what regexp's are good at, but the grep command in unix/ 
linux
does what is required *very* simply via the ``-v'' flag.  I  
conjecture that
it would not be difficult to add an argument with similar impact to the
grep() function in R.

	cheers,

		Rolf Turner

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