其他
实现字符串split的6种方法
std::vector<std::string> stringSplit(const std::string& str, char delim) { std::stringstream ss(str); std::string item; std::vector<std::string> elems; while (std::getline(ss, item, delim)) { if (!item.empty()) { elems.push_back(item); } } return elems;}std::vector<std::string> stringSplit(const std::string& str, char delim) { std::size_t previous = 0; std::size_t current = str.find(delim); std::vector<std::string> elems; while (current != std::string::npos) { if (current > previous) { elems.push_back(str.substr(previous, current - previous)); } previous = current + 1; current = str.find(delim, previous); } if (previous != str.size()) { elems.push_back(str.substr(previous)); } return elems;}std::vector<std::string> stringSplit(const std::string& str, char delim) { std::size_t previous = 0; std::size_t current = str.find_first_of(delim); std::vector<std::string> elems; while (current != std::string::npos) { if (current > previous) { elems.push_back(str.substr(previous, current - previous)); } previous = current + 1; current = str.find_first_of(delim, previous); } if (previous != str.size()) { elems.push_back(str.substr(previous)); } return elems;}std::vector<std::string> stringSplit(const std::string& strIn, char delim) { char* str = const_cast<char*>(strIn.c_str()); std::string s; s.append(1, delim); std::vector<std::string> elems; char* splitted = strtok(str, s.c_str()); while (splitted != NULL) { elems.push_back(std::string(splitted)); splitted = strtok(NULL, s.c_str()); } return elems;}std::vector<std::string> stringSplit(const std::string& str, char delim) { std::vector<std::string> elems; auto lastPos = str.find_first_not_of(delim, 0); auto pos = str.find_first_of(delim, lastPos); while (pos != std::string::npos || lastPos != std::string::npos) { elems.push_back(str.substr(lastPos, pos - lastPos)); lastPos = str.find_first_not_of(delim, pos); pos = str.find_first_of(delim, lastPos); } return elems;}std::vector<std::string> stringSplit(const std::string& str, char delim) { std::string s; s.append(1, delim); std::regex reg(s); std::vector<std::string> elems(std::sregex_token_iterator(str.begin(), str.end(), reg, -1), std::sregex_token_iterator()); return elems;}https://www.zhihu.com/question/36642771
http://www.martinbroadhurst.com/how-to-split-a-string-in-c.html
C++学习资料免费获取方法：关注程序喵大人，后台回复“程序喵”即可免费获取40万字C++进阶独家学习资料。
往期推荐