Pronunciation: regular Tory!

Here's an email that Sarah sent to the blog today. As Sarah is from the Midlands, please read it with a non-rhotic accent:

I overheard a conversation one of my colleagues was having on the phone this morning that made me giggle. She was ordering a book and getting a bit stroppy because the person on the other end didn't quite understand what she was asking for.

She kept saying what sounded like 'regular Tory, regular Tory!' and the guy thought she wanted a book about Tories. She felt a bit daft when she realised she was pronouncing 'regulatory' wrong!


Although I personally pronounce 'regulatory' with the stress on the third syllable (reg-yoo-LAY-tor-ee), I believe the 'regular Tory' pronunciation is quite common. Is this a British English / American English difference?

Sadly my Concise OED is too concise to provide me with an answer and the jumbo office Webster's is buried in a cupboard somewhere. Can anyone help?