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  1. import re
  2. rx = r"(?<![a-z0-9&])[a-z][0-9](?![a-z0-9&])"
  3. s = ".A3 S3- D4(SPACE) D5/ E9R E0&"
  4. print(re.findall(rx, s, re.I))
  5.  
Success #stdin #stdout 0.04s 9708KB
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Standard input is empty
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['A3', 'S3', 'D4', 'D5']
https://ideone.com/omfZqY
language:
Python 3 (python  3.9.5)
created:
6 years ago
visibility:
secret

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