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What is the best way to compare variables so that different types are non-equal?

by ELISHEVA (Prior)
on Jul 19, 2009 at 15:19 UTC ( #781447=perlquestion: print w/ replies, xml ) Need Help??

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  1. or download this
    use strict;
    use warnings;
    ...
      , (qr{a} eq '(?-xism:a)'?'true':'false'), "\n";
    print "comparing variables: regex eq $s (string): "
      , ($s eq $re?'true':'false'), "\n";
    
  2. or download this
    -------Type------------
    ref (?-xism:a) (regex) is 'Regexp': true
    ...
    -------Equality--------
    comparing literals: qr{a} eq '(?-xism:a)': true
    comparing variables: regex eq (?-xism:a) (string): true
    

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