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  1. #include <iostream>
  2. #include <regex>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	std::string s = "abc 123 hbcv";
  7. 	std::regex reg(R"(\D+)");
  8. 	std::cout<<std::regex_replace(s, reg, "");
  9. 	return 0;
  10. }
Success #stdin #stdout 0s 15344KB
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Standard input is empty
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123
https://ideone.com/XE8stY
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
secret

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