I have a text with words separated by ., with instances of 2 and 3 consecutive repeated words:
My.name.name.is.Inigo.Montoya.You.killed.my.father.father.father.Prepare.to.die-
I need to match them independently with regex, excluding the duplicates from the triplicates.
Since there are max. 3 consecutive repeated words, this
r'\b(\w+)\.+\1\.+\1\b'
successfully catches
father.father.father
However, in order to catch 2 consecutive repeated words, I need to make sure the next and previous words aren't the same. I can do a negative look-ahead
r'\b(\w+)\.+\1(?!\.+\1)\b'
but my attempts at the negative look-behind
r'(?<!(\w)\.)\b\1\.+\1\b(?!\.\1)'
either return a fixed-width issue (when I keep the +) or some other issue.
How should I correct the negative look-behind?