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  1. #include <iostream>
  2. #include <vector>
  3. #include <regex>
  4.  
  5. int main() {
  6.    const std::regex includeRegex("_ZN7grapple4vars((\\d+[a-zA-Z_]+)+)");
  7.    std::smatch match;
  8.    std::string test = "_ZN7grapple4vars3isr5hello";
  9.  
  10.    if (std::regex_search(test, match, includeRegex)) {
  11.    		std::cout << match[1] << '\n';
  12.    }
  13.  
  14.    std::cout << match.size() << '\n';
  15.  
  16.    return 0;
  17. }
Success #stdin #stdout 0s 5320KB
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stdin
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Standard input is empty
stdout
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3isr5hello
3
https://ideone.com/6yvk3d
language:
C++ (gcc 8.3)
created:
3 hours ago
visibility:
public

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