Thaumaturge weakness interactions

[Arkoudas]

Anyone have any ideas how Thaumaturge's Exploit Vulnerability and Mortal Weakness apply to things like deactivating regeneration? for example, a Frost Troll has fire weakness 10, but its regeneration is also stopped by fire damage. Would a Thaumaturge triggering the fire weakness also stop the regeneration? I'm leaning towards yes, but would like to hear some other thoughts on it.

[Cordell Kintner]

"Your unarmed and weapon Strikes activate the highest weakness you discovered with Exploit Vulnerability, even though the damage type your weapon deals doesn't change."

"However, if it takes damage of a type listed in the regeneration entry, its regeneration deactivates until the end of its next turn."

You are not dealing Fire damage, therefore you don't deactivate Regeneration.