Python: re..find longest sequence

Question

I have a string that is randomly generated:

polymer_str = \"diol diNCO diamine diNCO diamine diNCO diamine diNCO diol diNCO diamine\"

I\'d

Answer 1

I think the op wants the longest contiguous sequence. You can get all contiguous sequences like: seqs = re.findall("(?:diNCO diamine)+", polymer_str)

and then find the longest.