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

One was is to use findall:

polymer_str = "diol diNCO diamine diNCO diamine diNCO diamine diNCO diol diNCO diamine"
len(re.findall("diNCO diamine", polymer_str)) # returns 4.