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  1. or download this
    #!/usr/bin/perl -w
    use strict;
    ...
    &rexyScan;
    &niceOutput;
    
  2. or download this
    main::(-e:1):    0
      DB<1> @regexes = (['first',qr/interesting/,0] , ['second','like',0] 
    +, ['third',qr/I/,0] , ['fourth',qr/scan/,0]);
    ...
          -> qr/(?^u:scan)/
       2  0
      DB<3>