Ingo Karkat wrote:
> >> Alternatively, couldn't something starting with a backslash be used,
> >> for example \{99}?
> >
> > That's already used. We could use \%99g, where "g" stands for group.
>
> Ah yes, I (and probably the OP with his proposed ${N} syntax) forgot that the
> capturing group can also be referenced in the regexp itself, not just in the
> replacement part.
>
> I would also prefer Tom Link's suggestion of named matching groups. \g<name>
> could be used for that, like Ruby 1.9 does.
That also requires defining the group with a name. A bit verbose but
useful. Perhaps:
\%{name}(re) define a named group
\%{name}g refer to a named group
\%99g refer to a numbered group
If we have the named gorup use up a number, then it's easy to
implemented, converting the name to the number is done at compile time.
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