I'm not exactly sure the expected output is for the cases where there is only one digit. I took a guess that the min = max in these cases, so if there is no second number, I use the first again.

  s|^(\d+)(\-(\d+))?$|$total_min += $1; $total_max += $3//$1|e for (@r
+anges);

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In reply to Re: Is there a more functional regex syntax? by rjt
in thread Is there a more functional regex syntax? by smls

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