map {'ch'.(0+$_)} sort map {sprintf "%.10u", /(\d+)/} @array;

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just for the sake of using a technique of Advanced Sorting - GRT - Guttman Rosler Transform, i.e. make a map sort map but with a bare/string sort.

Of course, a pack 'N' would be preferable over the sprintf.

In reply to Re: sorting an array by pKai
in thread sorting an array by Selvakumar

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