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Re^3: back translating regular expressions

by Anonymous Monk
on Mar 03, 2005 at 10:05 UTC ( #436135=note: print w/ replies, xml ) Need Help??

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  1. or download this
        /a/
    
  2. or download this
        my $q1;
           $q1 = qr /a(??{$q1})?/;
        my $q2 = qr /^$q1$/;
    
  3. or download this
        /^(?!)*$/
    
  4. or download this
        /^(|)*$/
    

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