I'm not entirely sure what you are saying, but I actually find this puzzle quite interesting. (O|RM|HHM)* doesn't match "anything", but rather "nothing" or som

I'm not entirely sure what you are saying, but I actually find this puzzle quite interesting. (O|RM|HHM)* doesn't match "anything", but rather "nothing" or something quite specific. [0] There are multiple rows in the puzzle where things _can_ match anything, but they are pretty fast limited by the opposing row/column. [0]: http://www.regexper.com/#%28O|RM|HHM%29* http://www.regexper.com/#%28O|RM|HHM%29*