L'Alabameñu

How easy is it to modify the Regex grammar? I haven't played around with it, but if it's more or less the same as monkeying around with Raku's grammar, then...

So as the `Polyglot::Regexen` dev, I should be able to create a `Perl` slang (no need to call it 5, at this point, especially since 7 is likely looming) without...

> That said, a `PCRE` mode in core could be a useful feature, if it comes cheap. But a "sort of but not really" funhouse mirror of Perl's regex engine...

> I may be over simplifying, but I would have thought that, especially once RakuAST becomes sufficiently mature (it may already be), it would be relatively simple for someone to...