|( #3333=superdoc: print w/replies, xml )||Need Help??|
> END: Match possible, but length=0 is smaller than requested=1, failing!
Dunno which length is meant, but I have a hunch, this is a mechanism to avoid endless loops restarting from the same pos.
seems so: Repeated Patterns Matching a Zero-length Substring
> WARNING: Difficult material (and prose) ahead. ...
In reply to Re^2: Global match and capture group in look-ahead == under-populated "@-"?