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  1. import re
  2. some_regex = re.compile("^foo(?P<idx>[0-9]*)?$")
  3.  
  4. match = some_regex.match('foo11')
  5. print(match and 'idx' in match.groupdict())
  6.  
  7. match = some_regex.match('bar11')
  8. print(match and 'idx' in match.groupdict())
Success #stdin #stdout 0.03s 9284KB
comments (?)
stdin 
Standard input is empty
stdout 
True
None
https://ideone.com/W3eZ6s
language:
Python 3 (python  3.12)
created:
3 years ago
visibility:
public

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