I did something similar to this for redacting HTML pages a while back, although I never fully polished it: https://github.com/alexbecker/redact-js https://githu

I did something similar to this for redacting HTML pages a while back, although I never fully polished it: https://github.com/alexbecker/redact-js https://github.com/alexbecker/redact-js It's not something I'd use for serious security applications, but fun for interactive fiction.