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  1. import re
  2. regex = re.compile(r'(word1|word2|word3)|(?:(?!word1|word2|word3).)*', re.S)
  3. mytext = 'jsdjsqd word1dsqsqsword2fjsdjsword3sqdq'
  4. print(regex.sub(lambda m: m.group(1) if m.group(1) else "P", mytext))
Success #stdin #stdout 0.02s 9016KB
comments (?)
stdin 
Standard input is empty
stdout 
Pword1Pword2Pword3P
https://ideone.com/Xpm1Pn
language:
Python (cpython 2.7.16)
created:
9 years ago
visibility:
secret

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