DB<119> $x
 => "junk   ;a;not;b;not;c;;  junk   ;d;not;e;;  junk   "

  DB<120> $x =~ /;(.*);;/g          # greedy     => 1 match first anchoring ";"
 => "a;not;b;not;c;;  junk   ;d;not;e"

  DB<121> $x =~ /;(.*?);;/g         # non-greedy => 2 matches on first anchors
 => ("a;not;b;not;c", "d;not;e")

  DB<122> $x =~ /;([^;]*?);;/g      # non-greedy, trying multiple anchors.
 => ("c", "e")