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  1. import re
  2. texts = ['0.0.4.1','7.51.4.1','0.1.4.1', '0.0.0.0']
  3. for text in texts:
  4.     m = re.fullmatch(r'(?:0+\.)*(\d+(?:\.\d+)*)', text)
  5.     if m:
  6.         if m.group(1).replace('0',''):
  7.             print(m.group(1))
Success #stdin #stdout 0.03s 9388KB
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4.1
7.51.4.1
1.4.1
https://ideone.com/YelFNg
language:
Python 3 (python  3.12)
created:
4 years ago
visibility:
secret

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