This seems to do the job: 

while ( <> )
{
    s{
       -\|-.*?         # After the -|- thingy
       (
         \d+(?:-\d+)?  # A number, maybe two
       )
     }
     {
       print $1 . "\n"
     }egx ;
}

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In reply to Re: parsing cleardiff output :( by DamnDirtyApe
in thread parsing cleardiff output :( by Sara

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