字符“\”替换为“\\”

字符“\”替换为“\\”

#include <iostream>
#include <algorithm>  //必需加这个头文件
#include <string>

void charReplace(std::string rawStr, std::string &outStr)
{
	string::size_type pos = 0;
	outStr = rawStr;
	while ((pos = outStr.find_first_of('\\', pos)) != string::npos)
	{
		outStr.insert(pos, "\\");//插入
		pos = pos + 2;
	}
}