[pugs] regexp ignore case

[BÁRTHÁZI András]

Hi,
Can you help me, how ignore case is working on Perl 5 regexps?
  my $test = 'test';
  $test ~~ s:perl5:i/E/OA/;
It gives me an error (replacing :i with :g, or just removing :i it works 
well).

Bye,
  Andras