If you need descending order, rather than wastefully filtering the sorted results through reverse you can instead just swap $a and $b: 

for (sort { $b->[1] <=> $a->[1] } @data) {
    print join( ' : ', @$_ ), $/;
}

[download]
And since we are on the topic, be sure and check out the Schwartzian Transform.

jeffa

L-LL-L--L-LL-L--L-LL-L--
-R--R-RR-R--R-RR-R--R-RR
B--B--B--B--B--B--B--B--
H---H---H---H---H---H---
(the triplet paradiddle with high-hat)

In reply to Re^3: Sort string according to numbers in it by jeffa
in thread Sort string according to numbers in it by Alexander75

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