split hangs

[Harald Kirsch]

jp at ulgo.koti.com.pl (Jacek Pop³awski) writes:

> Harald Kirsch wrote:
> >Yes, something is very strange with this type of regex. Run the
> >following program. It shows strange behaviour with 1.5.2 on Linux as
> >well as with 2.0 on IRIX.
> 
> wow, looks like every step is few times slower than latest, so it
> doesn't hang, it just compute and compute... but why regex are _so_
> slow ?

I checked the same regex with tclsh8.4 and it does not hang. But Tcl,
afaik, has its own perl-compatible regex package. I just downloaded
pcre-3.4 to check how this behaves.

  Harald Kirsch

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Harald Kirsch   | kirschh at lionbioscience.com | "How old is the epsilon?"
LION Bioscience | +49 6221 4038 172          |        -- Paul Erdös