True, he probably should change the regex to something like "^mac" which would also match macintosh. So "^mac\s" should be fine. I would probably use: ^[M|m]ac[

True, he probably should change the regex to something like "^mac" which would also match macintosh. So "^mac\s" should be fine. I would probably use: ^[M|m]ac[\s|\.]+