Did you try it?
running this program... 
my $inf; $inf=qr/\b(??{$inf})/;
print "matched" if ("abc"=~m/$inf/);

[download]
...under perl5.8.4 results in a "Segmentation fault" on my machine.

-- All code is 100% tested and functional unless otherwise noted.

In reply to Re^2: Are Perl patterns universal? by sleepingsquirrel
in thread Are Perl patterns universal? by sleepingsquirrel

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