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  1. #include <regex>
  2. #include <string>
  3. #include <iostream>
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8. 	string generalCast = R"((\d+(?:\.\d+){3})_(\d+(?:\.\d+)+)_(\d+))";
  9. 	string input = "127.27.18.4_2.125.2.365.24.2_10";
  10. 	std::regex rx(generalCast);
  11. 	smatch m;
  12. 	if (std::regex_match(input, m, rx)) {
  13.     	std::cout << m[1].str() <<"\n";
  14.     	std::cout << m[2].str() <<"\n";
  15.     	std::cout << m[3].str() <<"\n";
  16. 	}
  17.  
  18. }
Success #stdin #stdout 0s 3496KB
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stdin
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Standard input is empty
stdout
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127.27.18.4
2.125.2.365.24.2
10
https://ideone.com/GEWSTl
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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