keterys
First Post
But it's really simple in concept.
Heh, not so simple, no.
The regeneration is healing granted by a power.
It's regeneration granted by a power, in the same sense that a power that increases someone's healing surge value is an increase in healing surge value. Yes, they're going to end up more healed than otherwise, but that doesn't change it from not directly being healing and affected by Healer's Lore.
But, yes, probably best to not debate this further and instead hope that they eventually FAQ (or errata) appropriately for clarification. Joining a long list of such things

Consecrated Ground is boosted by Healing Lore, which makes it even better than advertised.
And it so didn't need to be better than advertised, sadly.