% perl -wle '
  our $VERSION = "0.1_1";
  $VERSION = eval $VERSION;
  if ($VERSION > 0.1 && $VERSION < 0.2) {
    print "ok";
  } else {
    print "not ok";
  }
'
ok

% perl -wle '
  our $VERSION = "0.1_1";
  $VERSION = eval { $VERSION };
  if ($VERSION > 0.1 && $VERSION < 0.2) {
    print "ok";
  } else {
    print "not ok";
  }
'
Argument "0.1_1" isn't numeric in numeric gt (>) at -e line 4.
not ok
%