It would be most useful in our demo page, however, people may find other uses. Idea is that our current standalone engine is basically building regex rules.

Now, it builds them on standard python regex re. Nothing stops us from generating JavaScript regex and wrapping everything under some function?

We do need to create proper pipe for data transferring, make it as easy as possible and integrate it into our demo app - instead of pressing Analyze, we could show results in pseudo-realtime