[R] RegExp Question

[Peter Malewski]

On Wed, Aug 15, 2001 at 11:52:07AM +0200, Peter Dalgaard BSA wrote:
> Peter Malewski <peter.malewski at gmx.de> writes:
> 
> > gsub("F\.","d",c("F123","F.123"),extended=F)
> > [1] "d23"  "d123"
> > 
> > the problem is that the "F123" string is replaced (escaping "." 
> > does not work??). What can I do?
> 
> Escape more:
> 
> > gsub("F\\.","d",c("F123","F.123"),extended=F)
> [1] "F123" "d123"
> 
> Notice that
> 
> > "F\."
> [1] "F."
> 

Thanks. 
P.

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