Managed Node XYZ123 = MN
Type = Combo
Rim = Planner

##</code><code>##

my $options = 'A|B|C|D';
if ($line =~ /^Managed Node ([a-zA-Z0-9_-])\s*=\s*($options)/i) {
     my ($node, $value) = ($1, $2);
}

##</code><code>##

if ($line =~ /^(\w*)\s*=\s*(\w*)/);

##</code><code>##

if ($line =~ /%(.*)\s*=\s*(.*)/);