This has been covered before. Here is the solution I came up with:

@sorted = 

map { $_->[0] }
sort {
  $x=1;
  while (defined $a->[1][$x]) {
    defined $b->[1][$x] or return -1;
    if ($x%2) { ## Strict numeric comparison
      return +1 if $a->[1][$x] > $b->[1][$x];
      return -1 if $a->[1][$x] < $b->[1][$x];
    }
    else { ## Non-numeric comparison
      return +1 if $a->[1][$x] gt $b->[1][$x];
      return -1 if $a->[1][$x] lt $b->[1][$x];
    }       
    $x++;
  }
  return defined $b->[1][$x] ? 1 : 0;
}
map { [$_, [split(/(\d+)/, $_)]] }
@unsorted;

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In reply to Re: Sort and related stuff by turnstep
in thread Sort and related stuff by leons

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