[R] Regexp subexpression
Dieter Menne
dieter.menne at menne-biomed.de
Sun Mar 26 11:00:39 CEST 2006
Gabor Grothendiek wrote:
> > read.table(textConnection(sub(pat, '"\\1" "\\2"', patid)), as.is = TRUE)
> V1 V2
> 1 ALAN 334
> 2 AzD 44
> 3 NA
Looks like you are suffering from a creativity push. I like that one, with no
success I had tried the variant
sub(pat, c("\\1", "\\2"') patid))
before. But anyway, I think that is is rather counter-intuitive that on has to
use a sub(stitute) where you really want an extended strsplit.
Dieter
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