Web这可能是std:：regex实现中的错误吗？我是否在任何地方犯了错误？ 我认为这不是编译器的问题（如果您不使用gcc4.9）。正则表达式崩溃，因为获取结果的步骤太多。 WebThe class template std::match_resultsholds a collection of character sequences that represent the result of a regular expression match. This is a specialized allocator-aware container. It can only be default created, obtained from std::regex_iterator, or modified by std::regex_searchor std::regex_match.

C++ Regex Library - regex_match - TutorialsPoint

WebWhen determining if there is a match, only potential matches that match the entire character sequence are considered. Match results are returned in m. 2) Behaves as (1) above, omitting the match results. 3) Returns std::regex_match(str, str + std::char_traits ::length(str), m, … WebAug 20, 2024 · smatch is the specializations of std::match_results that stores the information about matches to be retrieved. std::regex_match Example Short and sweet example that you may always find in... chest christmas jumper

c++ - can std::regex be more faster? - Stack Overflow

Webnamespace std ::regex_constants { using match_flag_type = /*T2*/; inline constexpr match_flag_type match_default = {}; inline constexpr match_flag_type match_not_bol = /* unspecified */; inline constexpr match_flag_type match_not_eol = /* unspecified */; inline constexpr match_flag_type match_not_bow = /* unspecified */; inline constexpr … WebRegex for wchar_t This is an instantiation of the basic_regex class template for characters of type wchar_t. The members of this class are those described for basic_regex, but using wchar_t as its first template parameter ( charT ), and the corresponding regex_traits as its second template parameter ( traits ). Web#include #include #include int main () { std::string str ("1231"); std::regex r ("^ (\\d)\\d"); // entire match will be 2 numbers std::smatch m; … good movies on netflix or prime