Re: [pcre-dev] No capture in nested negative assertions

On 2018-07-10 04:48, ND wrote:
> On 2018-07-09 09:25, ph10 wrote:
> >If any branch in a negative assertion succeeds, the captures are>
> (temporarily) kept, but as the whole assertion now fails, there is an>
> external backtrack, which discards the captures.
> >
>To what point backtracking is?
> I guess Perl doesn't backtrack if last alternative of negative assertion
> fails.
>

Let's see another simple example of this when PCRE discard capture unlike
Perl:


PCRE2 version 10.31 2018-02-12
/(?!(a)b)/allcaptures
a
0:
1: <unset>