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  1. #include <regex>
  2. #include <string>
  3. #include <iostream>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	string user_pattern(":.*");
  8. 	string s("test:55:last");
  9. 	regex r("^.*(" + user_pattern + ")");
  10. 	smatch matches;
  11. 	if (regex_search(s, matches, r)) {
  12.     	cout<<matches[1].str();
  13. 	}
  14.     return 0;
  15. }
Success #stdin #stdout 0s 3552KB
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Standard input is empty
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:last
https://ideone.com/RlgSoV
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
secret

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