brianchandotcom/liferay-portal — pull request #15381 by samuelkong (2013-11-18 08:28:43+00:00)
Title: LPS-41781

* Change from `\w` to `a-zA-Z0-9` because `_` is not allowed in the domain part of an email address
* It's okay to end the domain part of an email address with a period
* A period is not required in the domain part