Szerző: Zoltán Herczeg Dátum: Címzett: pcre-dev@exim.org Tárgy: Re: [pcre-dev] Remove some restrictions of lookbehind assertions
> > You are right. Since you can put it into a group, it is not possible > > to prevent repetitions. However the rule that empty matches break
> > (non-fixed) loops may solve this problem.
> ... but it's not an empty match.
If we consider the following pattern:
/(*napla:a|a)+/
is the same as:
/(?:(*napla:a|a))+/
Then we have an empty match if I understand correctly the behavior of this new construct.