TMTOW to find the order: 
my $test = "1b22a3d3cccccccba866.afgg";

(my $ordered = $test) =~ tr/abcd//cd;

print $ordered, "\n";   # badcccccccbaa

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In reply to Re^2: How to replace greedy alternation? by Anonymous Monk
in thread How to replace greedy alternation? by adamcrussell

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