Since glob has not been mentioned yet, here's another solution (TIMTOWTDI). 

use strict;
use warnings;

my $start = 'zzy0';    #-- start including this 'number'
my $end   = 'zzz5';    #-- end   including this 'number'

my $set   = '{' . join(',', 0..9, 'a'..'z') . '}';

#-- max. range is '0000' .. 'zzzz'
for ( glob "$set$set$set$set" ) {
  print $_,"\n" if /$start/ .. /$end/;
}

[download]

Caveat: This approach is not efficient. It can consume lots of memory and time (filtering).

In reply to Re: incrementing mixed letters and numbers by Perlbotics
in thread incrementing mixed letters and numbers by Anonymous Monk

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