Hello!
Running the command:
echo a | grep -E -w '((()|a)|())*'
does not terminate, and uses a LOT of processor time, for all versions of
grep I have tried.
This is the smallest case that could be found; simplifying anything in the
input and/or expression leads to correct behavior.
Kind regar
out with
that. Let me know if this sounds like an interesting thing to do!
kind regards,
/Koen
On Sun, Apr 2, 2023 at 6:15 AM Jim Meyering wrote:
> On Mon, Mar 27, 2023 at 6:15 AM Koen Claessen wrote:
> > Running the command:
> >
> > echo a | grep -E -w '((()