Wordlist form Weakpass - File Format

[royce]

Your instincts are good. Yes, they should be rare - even historically, and pretty much non-existent for web-based passwords. Many "wordlists" are just massive mashups of other people's ideas of what might make a good wordlist, and/or other character encodings - and when they're sorted, a lot of the non-printable junk ends up at the top of the file.