Or use regex to find if there is a word between. 

#!/usr/bin/perl

# https://perlmonks.org/?node_id=11104709

use strict;
use warnings;
use List::Util qw( none );
use Path::Tiny;

my @words =                                             # get some wor
+ds
  grep /^fun/,                                          # for shorter 
+testing
  grep /^[a-z]+$/,
  path('/usr/share/dict/words')->lines({chomp => 1});

my @longs = grep length $_ >= 9, @words;                # all legal lo
+ng words

my $string = join ' ',
  sort { length $a <=> length $b } @words;

for my $short ( grep length $_ <= 8, @words )           # all legal sh
+ort words
  {
  for my $long ( grep /$short/, @longs )                # all long sup
+erstrings
    {
    if( $string !~                                      # test for wor
+d between
      /\b$short\b.*?\b(\w*$short\w*)\b.*?\b(?=$long\b)\w*\1\w*\b/ )
      {
      print "$long $short\n";
      }
    }
  }

[download]

In reply to Re^2: minimal superstrings/maximal substrings by tybalt89
in thread minimal superstrings/maximal substrings by stevena

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