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  1. def extract_page_number(filename):
  2.     match = re.search(r'page_(\d+)_', filename)
  3.     if match:
  4.         return int(match.group(1))
  5.     return None
Success #stdin #stdout 0.01s 7132KB
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https://ideone.com/oKhwI0
language:
Python (cpython 2.7.16)
created:
3 days ago
visibility:
public

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