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  1. import re
  2. s = ['foo 1',
  3. "foo 2 don't capture this text",
  4. '3 foo',
  5. '4 foo capture this text',
  6. 'foo 1 2 3']
  7. pat = r'^(?:(?P<start_number>\d+) (?P<name>.+)|(?P<name2>.*?) ?(?P<end_number>\d+).*)$'
  8. for x in s:
  9. 	m = re.search(pat, x)
  10. 	if m and m.group("start_number"):
  11. 		print("{0}, {1}".format(m.group("start_number"), m.group("name")))
  12. 	elif m and m.group("end_number"): 
  13. 		print("{0}, {1}".format(m.group("end_number"), m.group("name2")))
Success #stdin #stdout 0.01s 9024KB
comments (?)
stdin 
Standard input is empty
stdout 
1, foo
2, foo
3, foo
4, foo capture this text
1, foo
https://ideone.com/OVPUR9
language:
Python (cpython 2.7.16)
created:
9 years ago
visibility:
secret

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