From @masak

<masak> rakudo​: say "foo" ~~ /<[f] #[comment] + [o]>/
<p6eval> rakudo 5351a3​: OUTPUT«perl6regex parse error​: Error parsing
enumerated character class at offset 30, found '[ [...]
<masak> pmichaud​: I posit that this should work.
<pmichaud> pge doesn't understand embedded comments.
<masak> it does outside of <>.
<pmichaud> right
<masak> rakudo​: say "foo" ~~ / fo #[ comment here! ] o /
<p6eval> rakudo 5351a3​: OUTPUT«foo␤»
<pmichaud> huh.
<pmichaud> well, it's very likely that the part that parses <[ ... ]>
doesn't understand them then.
  [15​:10]
<pmichaud> std​: /<[f] #[comment] + [o]>/
<p6eval> std 27351​: OUTPUT«ok 00​:03 36m␤»
* masak submits rakudobug

From @kyleha

This is an automatically generated mail to inform you that tests are now available in t/t/spec/S05-metasyntax/charset.t

The RT System itself - Status changed from 'new' to 'open'

From @diakopter

On Wed Jul 01 06​:13​:49 2009, masak wrote​:

<masak> rakudo​: say "foo" ~~ /<[f] #[comment] + [o]>/
<p6eval> rakudo 5351a3​: OUTPUT«perl6regex parse error​: Error parsing
enumerated character class at offset 30, found '[ [...]
<masak> pmichaud​: I posit that this should work.
<pmichaud> pge doesn't understand embedded comments.
<masak> it does outside of <>.
<pmichaud> right
<masak> rakudo​: say "foo" ~~ / fo #[ comment here! ] o /
<p6eval> rakudo 5351a3​: OUTPUT«foo␤»
<pmichaud> huh.
<pmichaud> well, it's very likely that the part that parses <[ ... ]>
doesn't understand them then.
[15​:10]
<pmichaud> std​: /<[f] #[comment] + [o]>/
<p6eval> std 27351​: OUTPUT«ok 00​:03 36m␤»
* masak submits rakudobug

new behavior​:

17​:35 <diakopter> rakudo​: say "foo" ~~ /<[f] #[comment] + [o]>/
17​:35 <p6eval> rakudo 024843​: OUTPUT«===SORRY!===␤regex assertion not
terminated by angle
  bracket at line 2, near ""␤»

From @FROGGS

<FROGGS> p​: say "foo" ~~ /<[f] #`[comment] + [o]>/
<camelia> rakudo-parrot 9d8349​: OUTPUT«｢f｣␤␤»
<FROGGS> p​: say "foo" ~~ /<[f] #`[comment] + [o]>+/
<camelia> rakudo-parrot 9d8349​: OUTPUT«｢foo｣␤␤»

Tests at​: Raku/roast@62fa996#diff-3

@FROGGS - Status changed from 'open' to 'resolved'