fork(1) download
  1. import re
  2. a = 'aaa,bbbZ,cccZZ,dddZZZ,eee'
  3. print(re.findall(r'(?:(?<!Z)Z(?:ZZ)*,+|[^,])+', a))
Success #stdin #stdout 0s 23304KB
stdin
Standard input is empty
stdout
['aaa', 'bbbZ,cccZZ', 'dddZZZ,eee']