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//regex_constants - STL pdf P726

#include <iostream>

#include <string>

#include <regex>



using namespace std;

int main(int argc, char *argv[] ) 

{

    string str("foo<1>bar<2>test\nnewline");

    

    smatch m;

    bool found;

    found = regex_search(str, m, regex("(\\d).*(\\d)", regex_constants::ECMAScript) );

    if (found)

        for (auto x:m) std::cout << x << endl;



    cout << endl;

    found = regex_search(str, m, regex("(\\w+)<\\d>(\\w+)", regex_constants::ECMAScript) );

    if (found)

        for (auto x:m) std::cout << x << endl;

    return 0;

}