Python: How can I include the delimiter(s) in a string split? [duplicate]

Answer 1

import re
s = '(twoplusthree)plusfour'
l = re.split(r"(plus|\(|\))", s)
a = [x for x in l if x != '']
print a

output:

['(', 'two', 'plus', 'three', ')', 'plus', 'four']