Regular expressions library
Regular expressions library
Defined in header <regex> |
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The regular expressions library provides a class that represents regular expressions, which are a kind of mini-language used to perform pattern matching within strings. Almost all operations with regexes can be characterized by operating on several of the following objects:
- Target sequence. The character sequence that is searched for a pattern. This may be a range specified by two iterators, a null-terminated character string or a
std::string. - Pattern. This is the regular expression itself. It d
