I currently have a script that parses interfaces from a switch configuration. 
Sample Text I Currently Parse:

untagged Interface GigabitEthernet 1/2
untagged Interface GigabitEthernet 10/2

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Code I use today:

if ($parse =~ m/^untagged Interface GigabitEthernet (\d{1,2})\/(\d{1,2
+})/)/) {
    $slot = $1;                                     
    $port = $2;
    ...Misc Code...
}

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Everything works fine, except now the CLI has changed slightly to better aggregate contiguous interfaces used (e.g. 1/3-5). 
Sample New Text to Parse:

untagged Interface GigabitEthernet 1/2,1/3-5,1/12,1/40

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How can I extend my current approach to present the following output? I was thinking of using split with ","'s, but I can't figure out a way to identify the delta between "-"'s? Thanks in advance! 
Output I need to make:

untagged Interface GigabitEthernet 1/2
untagged Interface GigabitEthernet 1/3
untagged Interface GigabitEthernet 1/4
untagged Interface GigabitEthernet 1/5
untagged Interface GigabitEthernet 1/12
untagged Interface GigabitEthernet 1/40

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In reply to Switch CLI Parsing Question by ewhitt

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