This is the revision history for passwords in <freenode.net:#regex>

factoid_idsubjectcopulapredicateauthornamespace
15789 passwords is <fact password>
Don't put arbitrary restrictions on passwords! Use an entropy-based system like zxcvbn (https://github.com/dropbox/zxcvbn), and make sure to use modern hashes (md5 is too old; argon2 is recommended, pbkdf2 or scrypt are acceptable). (https://www.xkcd.com/936/)
digitok