Exception would be the wrong way to go about that. You'd essentially except any message where that pattern was found (the entire message, not just the matched element), which could result in false negatives. What you need is a script validator on the CCN policy. That string you show looks like one of those Double-Click ID numbers, right? I have a script validator to eliminate those.
$l1 = datalength($normalizedMatch);
if ($l1 == 17)
{
$s1 = getIntegerAt($normalizedMatch, 0x0, 4);
$s2 = getIntegerAt($normalizedMatch, 0x4, 4);
$s3 = getIntegerAt($normalizedMatch, 0x8, 4);
$s4 = getIntegerAt($normalizedMatch, 0xC, 4);
if ($s1 == $s2)
{
if ($s2 == $s3)
{
if ($s3 == $s4)
{
assertTrue(0 != 0);
}
}
}
}
~Keith