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From: Bart Schaefer <schaefer@brasslantern.com>
Date: Mon, 17 Oct 2016 08:00:01 -0700
Message-ID: <CAH+w=7aRJRurkhWdqT51qYNkZMag_ENgngjdOgumZbKGhREAeQ@mail.gmail.com>
Subject: Re: $match size limit, suspicious (#B) behavior
To: Zsh hackers list <zsh-workers@zsh.org>
Cc: Sebastian Gniazdowski <sgniazdowski@gmail.com>
Content-Type: text/plain; charset=UTF-8

One other thing ...

On Mon, Oct 17, 2016 at 7:51 AM, Bart Schaefer
<schaefer@brasslantern.com> wrote:
> [Sebastian Cc'd in case the list is still having indigestion over gmail MTAs]
>
> If I add another set of parens around everything that follows (#B) up
> to just before the close of the paren that opens before (#B), it looks
> like what I expect:
>
> % [[ 12345 = (#b)(?)((#B)((?)|([[:alnum:]](#c0,1))(?)))(#b)(*) ]]
> % print -l :$^match
> :1
> :2
> :345

With (p1|p2) zsh always matches left-to-right, not longest.  So
reversing the order of the alternate subexpressions:

% [[ 12345 = (#b)(?)((#B)(([[:alnum:]](#c0,1))(?)|(?)))(#b)(*) ]]
% print -l :$^match
:1
:23
:45