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  1. or download this
    $rec = "SLOT3=4,4,2!INT=115!VC=4!CS=270!PK=/";
($int_spec) = (split("!", $rec))[1];
$int = $int_spec;
$int =~ s/INT=//;
printf("\$int: $int\n");
  2. or download this
    $rec = "SLOT3=4,4,2!INT=115!VC=4!CS=270!PK=/";
$int = ($rec =~ /(INT=([0-9]*)!)/)[1];
printf("\$int: $int\n");