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  1. import re
  2. s = "test_20200331_2020041612345678.csv"
  3. m = re.search(r"(?<=_)\d{8}(?=\d*\.)", s)
  4. if m:
  5. 	print(m.group())
  6.  
Success #stdin #stdout 0.02s 9572KB
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20200416
https://ideone.com/0379Qm
language:
Python 3 (python  3.12)
created:
5 years ago
visibility:
public

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