#include <iostream>
#include <string>
using namespace std;
int main() {
string ul = "The quick brown fox jumped over the lazy dog________ dog dog";
cout << "before: " << ul << endl;
string::size_type idx = ul.find("_");
if (idx != string::npos) ul.erase(idx);
cout << "after: " << ul << endl;
return 0;
}
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