On Fri, Mar 19, 2021 at 6:12 PM yary <not....@gmail.com> wrote: > > I don't know how to get the result.
> DB<1> $word = qr/(\w+)/; > DB<2> $AwithB = qr/$word with $word/ > DB<3> $_ = 'Interpolating regexes with arbitrary captures is fun!' > DB<4> x /$AwithB.*is $word/ A Raku equivalent: my $word = '(\w+)'; my $AwithB = "$word ' with ' $word"; my $regex = "$AwithB .* 'is ' $word"; $_ = 'Interpolating regexes with arbitrary captures is fun!'; .say for m/<top=$regex>/.<top>.pairs; displays: 0 => ｢regexes｣ 1 => ｢arbitrary｣ 2 => ｢fun｣ ---- > Raku example: > > my $word = /(\w+)/; > my $AwithB = /$word' with '$word/; If you interpolate by using `$abc...` or `<$abc...>` instead of `<abc...>`, Raku will by default not capture. And the non-capturing is nested, so throwing away those captures also throws away the corresponding capture within `$word`. > Where my expectation differs from the behavior in my example > is Raku's discarding the capture groups of the interpolated regexes. It only discards them if you tell it to discard them. If a `<...>` construct begins with a letter, it'll capture. If not, it won't. -- love, raiph
