Regex Golf Answers (http://regex.alf.nu/) HN: https://news.ycombinator.com/item?id=6941231
fook$^[a-f]*$(...).*\1^(.(?!(ll|ss|mm|rr|tt|ff|cc|bb)))*$|^n|ef^(.)[^p].*\1$^(?!(..+)\1+$)(.)(.\1){3}^[^o].....?$(^39|^44)|(^([0369]|([147][0369]*[258])|(([258]|[147][0369]*[147])([0369]*|[258][0369]*[147])([147]|[258][0369]*[258])))*$)^((\*(er|f|i|p|t|v))|(b|c(h|o|r)|do|l|mi|p(a|r|u)|re|w))^(<(<(<(<(<(<<>>)*>)*>)*>)*>)*>)*$^((((((((((x)\10?)\9?)\8?)\7?)\6?)\5?)\4?)\3?)\2?)\1?$Total Score: 3060