Well, thanks. I tried to cheat with https://github.com/blukat29/regex-crossword-solver https://github.com/blukat29/regex-crossword-solver and got hit with lex

Well, thanks. I tried to cheat with https://github.com/blukat29/regex-crossword-solver https://github.com/blukat29/regex-crossword-solver and got hit with lex parsing errors! My limited python and 5 minute effort resulted in failure! At least I got to read the message though :-)