You can dodge the zeros issue and make it a bit more effiecient using pack: 

@g = qw(St1 St10 St2 St12 St6 St8);;
print for map{ substr $_, 4 } sort map{ pack 'NA*', m[(\d+)], $_ } @g;
+;
St1
St2
St6
St8
St10
St12

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In reply to Re^2: sorting an array mix by BrowserUk
in thread sorting an array mix by baxy77bax

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