ZyX wrote:
> Try the following code:
>
>
> echo matchlist('abc', '\%#=1\v(\_.{-})\C(%(\V\\\v)*)@>(\V%\v|%$)')
> echo matchlist('abc', '\%#=2\v(\_.{-})\C(%(\V\\\v)*)@>(\V%\v|%$)')
>
> . You will see that output differs: first version (with old engine) contains
> “abc” in first capturing group and full text, second version contains “abc”
> only in full text, but not in any capturing group. Given these regexes this
> should not be possible: all matched text is always covered by one of three
> capturing groups. The following regex seems to be the minimal example:
>
> echo matchlist('a', '\v(.)($)@>')
>
> . Note: you can put into second parenthesis anything you like that does match
> and you can have any number of capturing group before capturing group with
> `@>` attached: all preceding groups will be empty.
>
> Workaround: use non-capturing group for `@>` and surround it with
> capturing group.
I can reproduce it, thanks for the good example. One more for the todo
list...
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