http://www.perlmonks.org?node_id=883269


in reply to Integer to Money format

Was that a homework question? It looks a bit contrived to do it as a regular expression, when there alternative ways of inserting commas every three digits. For example:

join(',', '4123456789' =~ m/.{3}/g )

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Re^2: Integer to Money format
by happy.barney (Friar) on Jan 20, 2011 at 09:27 UTC
    did you mean something like this ? :-)
    scalar reverse join(',', (reverse '4123456789') =~ m/.{1,3}/g);
Re^2: Integer to Money format
by Anonymous Monk on Jan 20, 2011 at 09:34 UTC