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  1. import re
  2. pattern = r'^(?!$)(?P<real>(?P<sign1>[+-]?)(?P<number1>\d+(?:\.\d+)?))?(?:(?P<imag>(?P<sign2>[+-]?)(?P<number2>\d+(?:\.\d+)?j)))?$'
  3. texts = ['1+12j', '12+18j','-14+45j','54','-87j']
  4. for text in texts:
  5. 	match = re.fullmatch(pattern, text)
  6. 	if match:
  7. 		print(text, '=>', match.groupdict())
  8. 	else:
  9. 		print(f'{text} did not match!')
Success #stdin #stdout 0.03s 9328KB
comments (?)
stdin 
Standard input is empty
stdout 
1+12j => {'real': '1', 'sign1': '', 'number1': '1', 'imag': '+12j', 'sign2': '+', 'number2': '12j'}
12+18j => {'real': '12', 'sign1': '', 'number1': '12', 'imag': '+18j', 'sign2': '+', 'number2': '18j'}
-14+45j => {'real': '-14', 'sign1': '-', 'number1': '14', 'imag': '+45j', 'sign2': '+', 'number2': '45j'}
54 => {'real': '54', 'sign1': '', 'number1': '54', 'imag': None, 'sign2': None, 'number2': None}
-87j => {'real': '-8', 'sign1': '-', 'number1': '8', 'imag': '7j', 'sign2': '', 'number2': '7j'}
https://ideone.com/EJQMcD
language:
Python 3 (python  3.9.5)
created:
2 years ago
visibility:
secret

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