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  1. #include <iostream>
  2. #include <string>
  3. #include <regex>
  4.  
  5. int main( )
  6. {
  7.     std::regex rgx(":((?!.*:).*$)");
  8.     std::smatch match;
  9.     std::string input = "concept:personasia:toby_pizur:personasia:teste";
  10.  
  11.     if (std::regex_search(input, match, rgx))
  12.     {
  13.         std::cout << match[1];
  14.     }
  15.  
  16.     return 0;
  17. }
  18.  
Success #stdin #stdout 0s 4536KB
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stdin
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Standard input is empty
stdout
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teste
https://ideone.com/ANRAVe
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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