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  1. import re
  2. input1 = '3787381001'
  3. pattern = re.compile('10*1')
  4. m = pattern.search(input1)
  5. if m:
  6. 	print(m.group())
  7.  
  8. print(re.findall(r'(?=(10*1))', "23100100013"))
Success #stdin #stdout 0.02s 28384KB
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stdin
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Standard input is empty
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1001
['1001', '10001']
https://ideone.com/ZfdLIP
language:
Python 3 (python  3.9.5)
created:
7 years ago
visibility:
secret

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