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Re: What can regular expressions NOT do?

by I0 (Priest)
on May 20, 2002 at 20:51 UTC ( [id://167962]=note: print w/replies, xml ) Need Help??

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  1. or download this
    $_ = '(()(()()))';
(my $re=$_)=~s/((\()|(\))|.)/${[')','']}[!$3]\Q$1\E${['(','']}[!$2]/gs
+;
eval{/$re/};
print "Balanced" unless $@ =~ /unmatched/;

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