Yes, that was my first approach. But it is very fragile. To begin with, there are plenty of escaped double-quotes. These wouldn't be hard to take care of, but it will inevitably continue with stuff breaking my regexes.

I don't want to end up trying to write a javascript parser in Perl, when there are excellent javascript interpreters already in the browsers. There must be a way to make them work for my Perl script instead of the browser window.