C++ regex_search() does not work with star-quantifier

By Christos Christidis

I’m compiling this on Linux with g++ 5.4.0

string s = "ans42";
smatch result;
if (regex_search(s, result, regex("\d*")))
    cout << result.str() << endl;

Above does match 42 if I change \d* to \d+. But AFAIK both are greedy so both should work! What gives?

Source: Stack Overflow


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