And it totally contradicts the Perl documentation, in particular, this
sentence:
Note that if this operator is used and NOT inside of an alternation
then it acts exactly like the "(*PRUNE)" operator.
Sorry I'm ND but write from another mailbox.
I guess from Perl point of view (*THEN)
On Tue, 2 Jul 2019, I wrote:
> > PCRE2 version 10.33 2019-04-16
> > /\A(?:.(*COMMIT))*c/
> > abcd
> > No match
> >
> > But Perl reports that this is successful match "abc".
>
> I think this is also a Perl bug and I will report it.
A Perl developer has admitted there is some ambiguity, but
On 2019-07-02 14:34, ph10 wrote:
A Perl developer has admitted there is some ambiguity, but suggests that
(*COMMIT) just means "never advance the starting point". That patterncan
find a match without advancing the starting point. I have pointedout
that, in that case, /.*(*COMMIT)c/ should
On Mon, 1 Jul 2019, ND via Pcre-dev wrote:
> As you participate in Perl regex development can you take a look at another
> Perl bug please:
I do not participate in Perl regex development. I just report bugs when
I find them, using the perlbug command. You could do this yourself. (And
you seem
On Tue, 2 Jul 2019, Zoltán Herczeg wrote:
> If you are right about the internal working of (*THEN), then this verb
> has a very unclear and inconsistent behavior, which is very hard to
> track for a user.
And it totally contradicts the Perl documentation, in particular, this
sentence:
Note
On Tue, 2 Jul 2019, Zoltán Herczeg wrote:
> Perhaps the misunderstanding comes from the fact that we are talking
> about the pattern and they talk about the matching process. So (*THEN)
> simply starts a backtrack, and when an alternation is encountered, it
> switches to the next alternative.
> Note that if this operator is used and NOT inside of an alternation
> then it acts exactly like the "(*PRUNE)" operator.
> But it doesn't.
Perhaps the misunderstanding comes from the fact that we are talking about the
pattern and they talk about the matching process. So (*THEN) simply starts a
If you are right about the internal working of (*THEN), then this verb has a
very unclear and inconsistent behavior, which is very hard to track for a user.
I think it should made obsolete and removed eventually.
Regards,
Zoltan
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