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  1. import re
  2. s = "this_is.an_Example string for.You"
  3. print(re.sub( r'(?<![^_.])[^\W_]+|[^\W_]+(?=[._])', lambda x: x.group().capitalize(), s))
Success #stdin #stdout 0.01s 27712KB
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This_Is.An_Example string For.You
https://ideone.com/OQSEw2
language:
Python 3 (python  3.9.5)
created:
5 years ago
visibility:
public

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