Ben Cartwright wrote:
> The groups *are* 0-based. The 0th group is the whole match, e.g.:
Ah, I see! But I also read that if a group number starts with 0, it is
treated as octal. Did I read that wrong, or maybe it doesn't matter
since 0 is 0 in any base system?
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John Salerno wrote:
> John Salerno wrote:
> > Ok, I've been staring at this and figuring it out for a while. I'm close
> > to getting it, but I'm confused by the examples:
> >
> > (?(id/name)yes-pattern|no-pattern)
> > Will try to match with yes-pattern if the group with given id or name
> > exists
John Salerno wrote:
> Ok, I've been staring at this and figuring it out for a while. I'm close
> to getting it, but I'm confused by the examples:
>
> (?(id/name)yes-pattern|no-pattern)
> Will try to match with yes-pattern if the group with given id or name
> exists, and with no-pattern if it doe
Ok, I've been staring at this and figuring it out for a while. I'm close
to getting it, but I'm confused by the examples:
(?(id/name)yes-pattern|no-pattern)
Will try to match with yes-pattern if the group with given id or name
exists, and with no-pattern if it doesn't. |no-pattern is optional an
