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  1. or download this
    #!/usr/bin/perl -w
    use strict;
    ...
                    print "No match.\n";
            }
    }
    
  2. or download this
    original pseudo-regex: test_%a%b
    modified regex: test_(\d{2})(?{ $mv{a} = $^N })(\d{4})(?{ $mv{b} = $^N
    + })
    ...
    Matching on test_330104
    No keys in hash.
    No match.