The Search Result
Explore how to work with std::match_results and std::sub_match types in C++ to analyze regex search results. Understand capture groups, their manipulation, and how to extract useful information from regular expression operations.
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The object of type std::match_results is the result of an std::regex_match or std::regex_search. std::match_results is a sequential container having at least one capture group of an std::sub_match object. The std::sub_match objects are sequences of characters.
ℹ️ What is a capture group?
Capture groups allow us to further analyse the search results of a regular expression. They are defined by a pair of parentheses(). The regular expression((a+)(b+)(c+))has four capture groups:((a+)(b+)(c+)), (a+), (b+), and(c+). The total ...