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  1. import re
  2. s = ['e004_n07','e000_n00']
  3. res = [re.sub(r'(?<=[a-zA-Z])0+(\d*)', lambda m: m.group(1) if m.group(1) else '0', x) for x in s]
  4. print(res)
Success #stdin #stdout 0.01s 9024KB
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Standard input is empty
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['e4_n7', 'e0_n0']
https://ideone.com/QeFcsL
language:
Python (cpython 2.7.16)
created:
8 years ago
visibility:
secret

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