http://qs1969.pair.com?node_id=35101


in reply to (jcwren) RE: regexp's
in thread regexp's

My

GOD

that is elegant. Too bad I can only ++ you one time on that one. This is one the most elegant things I have EVER seen, save for something merlyn did in Effective Perl programming:
($_ & ~$_) eq 0
to determine if a scalar is a number (i may be slightly off on the actual expression)