Re: Patterns, variables and strange behavior of some thing.

Ben Fritz wrote:
>
> On Jan 1, 12:28 pm, Stahlman Family <brettstahl...@comcast.net> wrote:
>> I believe you may have uncovered a bug. It can be demonstrated with an
>> even simpler example...
>> \(i\(.\)\)\@<=\2
>> ...which will match just after an i followed by any character, even when
>> the character following the i is not repeated: e.g., on the following
>> line...
>> iax ibx ic
>
> Not a bug, unless I misunderstand. From :help /\@<= you can see:
>
> The part of the pattern after "\@<=" and "\@<!" are checked for a
> match first, thus things like "\1" don't work to reference \(\)
> inside
> the preceding atom. It does work the other way around:
> Example matches ~
> \1\@<=,\([a-z]\+\) ",abc" in "abc,abc"
>
> It's documented, which makes it a "quirk" instead :-P

So it is. I hadn't seen that. So it appears to be a feature, not a bug.

Thanks,
Brett Stahlman

>

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