Brittany Cartwright doesn’t regret having a fling with one of Jax Taylor’s friends. The 35-year-old star insists she didn’t plan to “hook up with his friend” – but Brittany doesn’t have any regrets about it, either. Brittany – who split from Jax earlier this year – said on the ‘Hot Mic’ podcast: “[Jax and I] did not have a no dating in the friend group policy. “We never spoke about that because why would we? First off, I didn’t think I was going to hook up with his friend. It wasn’t planned. I wasn’t trying to go after one of his friends. That’s not how it happened.” Brittany also admitted to …