删除字符串中标点符号

#include<iostream>

#include<string>

using namespace std;

int main(){ string str; cout << "Please enter a string:"; cin >> str; cout << endl;

 string caps(",./'/"");

 string::size_type pos = 0; while ((pos = str.find_first_of(caps, pos)) != string::npos) {  str.erase(pos, 1); } cout << str << endl; return 0;}