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regex select, find
#include <iostream> #include <regex> using namespace std; int main() { string s = "<rule source=\"192.168.10.10:any\" destination=\"any:any\" protocol=\"UDP\"/>"; const regex r(".*\"(.*)\" destination.*"); smatch sm; string result; if (regex_search(s, sm, r)) result = sm[1]; cout << result << endl; // result = "192.168.10.10:any" return 0; }
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