Fun geographical place names time: there’s also a New Brunswick in New Jersey and a New Brunswick in Indiana, and there’s also a New Jersey in New Brunswick and an Indiana in Ontario. There’s also an Ontario in California. But wait, there’s also a California in Ontario. This is where our geographical journey ends for now.

To this point, there’s a website dedicated to the subject. Some of the regexes get pretty wild…

https://emailregex.com/