Yeah, right now I think I've only got it searching the error message field, not the entire log message field. I'm pretty sure I set it up that way because the two messages can be different if you use LogErrorEx instead of LogError.
I'll probably lean toward adding a separate field search option, but let me think about it for a day or two. If the search suddenly looks at two fields when before it was only looking at one, that can break backwards-compatibility (which may not be a big deal). On the other hand, adding another option means there's another option to stare at.
I've been meaning to update a few bits of the notification process anyway, so I'll add this to the list.
Thanks! I hope everything else is working for you.