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  1. import re
  2. pattern = r"[0-9]\s*(?:[+-][+-]|\*/)\s*[0-9]"
  3. strings = [
  4. 	'This is test 1 -- 1',
  5. 	'This is test 2',
  6. 	'This is test 3+1',
  7. 	'This is test 4 */4'
  8. 	]
  9.  
  10. for s in strings:
  11. 	res = re.search(pattern, s)
  12. 	if not res:
  13. 		print("Valid: " + s)	
  14.  
  15.  
  16.  
Success #stdin #stdout 0.02s 9352KB
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stdin
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Standard input is empty
stdout
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Valid: This is test 2
Valid: This is test 3+1
https://ideone.com/HRENuo
language:
Python 3 (python  3.12)
created:
6 years ago
visibility:
public

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