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  1. import re
  2. s = 'axxxbxd,axxbxxcd,axxxxxd,axcxxx'
  3. r = r'(a)(?:.*?(b))?(?:.*?(c))?(d)?'
  4. print([re.findall(r, x) for x in s.split(',')])
  5. print ([re.findall(r, x) for x in re.split(r'\W', s)])
Success #stdin #stdout 0s 23304KB
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Standard input is empty
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[[('a', 'b', '', '')], [('a', 'b', 'c', 'd')], [('a', '', '', '')], [('a', '', 'c', '')]]
[[('a', 'b', '', '')], [('a', 'b', 'c', 'd')], [('a', '', '', '')], [('a', '', 'c', '')]]
https://ideone.com/F2QLUL
language:
Python (cpython 2.7.16)
created:
6 years ago
visibility:
secret

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