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  1. from pyparsing import delimitedList, Word, alphas, Combine
  2.  
  3. str1 = Combine(Word(alphas) + "+" + Word(alphas))     # "x+y"
  4. str2 = Combine(Word(alphas) + "++")                   # "c++"
  5. str3 = Word(alphas)                                   # "z"
  6.  
  7. strs = str1 | str2 | str3
  8.  
  9. f = delimitedList(strs, "+")
  10. print(f.parseString("x+y+c+++z+x+z+++x"))
Success #stdin #stdout 0.07s 11056KB
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stdin
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Standard input is empty
stdout
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['x+y', 'c++', 'z+x', 'z++', 'x']
https://ideone.com/RKaR6K
language:
Python 3 (python  3.12)
created:
10 years ago
visibility:
public

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