Word boundaries, able to match IRC nicks

"x is a heretical organization" should not match (because if we allow that, there's a giant rabbit hole we need to deal with), so adding \b around the regexes. Also, I realized something like "outsider|ortho is a heretic" would not work as intended (it would probably grab "ortho"), so using word-boundaries (beginning of line, end of line, and whitespace).