用另一个子字符串 C++ 替换子字符串
如何用 C++ 中的另一个子字符串替换字符串中的一个子字符串，我可以使用哪些函数?
How could I replace a substring in a string with another substring in C++, what functions could I use?
eg: string test = "abc def abc def";
test.replace("abc", "hij").replace("def", "klm"); //replace occurrence of abc and def with other substring
推荐答案
在 c++11，你可以使用 std::regex_replace:
In c++11, you can use std::regex_replace:
#include <string>
#include <regex>
std::string test = "abc def abc def";
test = std::regex_replace(test, std::regex("def"), "klm"); // replace 'def' -> 'klm'
// test = "abc klm abc klm"
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