#include <stdio.h>
#include <string>
#include <iostream>
#include <regex>
using namespace std;
 
class A
{
	public:
	A()
	{
		cout<<"A--"<<endl;
	}
	~A()
	{
		cout<<"A~~"<<endl;
	}
 
};
A a;
int main ()
{
string str = "Hello_2018!";
regex pattern("Hello");	
cout << regex_replace(str, pattern, "") << endl;	//输出：_2018，将Hello替换为""
cout << regex_replace(str, pattern, "Hi") << endl;	//输出：Hi_2018，将Hello替换为Hi
//cout << regex_replace(string("'3kejr"), pattern, "Hi") << endl;	//输出：Hi_2018，将Hello替换为Hi
char ring_path[128];
snprintf(ring_path, sizeof(ring_path), "%spoint.wav\n", "/2343/43/");
printf("%s", ring_path);
int i=0;
do
{
	i++;
	A b;
}while(i<10);
}

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