python regex: variable length of positive lookbehind assertion

[Michael Torrie]

On 06/15/2016 08:57 AM, Jussi Piitulainen wrote:
> Marko Rauhamaa writes:
>> And nothing in alister's answer suggests that.
> 
> Now *I'm* surprised.

He simply said, here's a regex that can parse the example string the OP
gave us (which maybe looked a bit like HTML, but like you say, may not
be), but don't try to use this method to parse actual HTML because it
won't work reliably.