On Mon, Jun 10, 2013 at 6:33 AM, Dave Mitchell <davem@iabyn.com> wrote: > On Sun, Jun 09, 2013 at 06:51:23PM -0500, David Nicol wrote: > > one of the perl6 RFCs suggested allowing a regex as a hash index > > > > @hash{/REGEX/} > > > > to mean > > > > @hash{ grep /REGEX/, keys %hash } > > but that syntax already has a meaning: > > %h = qw(aa 1 bb 2 cc 3); > $_ = 'aa bb'; > print @h{/(\w+)/}; # prints 1 > print @h{/(\w+)/g}; # prints 12 > How about regexen without any captures in them, then?Thread Previous | Thread Next