std::sub_match
std::sub_match
Defined in header <regex> | ||
|---|---|---|
template<
class BidirIt
> class sub_match;
| (since C++11) |
The class template sub_match is used by the regular expression engine to denote sequences of characters matched by marked sub-expressions. A match is a [begin, end) pair within the target range matched by the regular expression, but with additional observer functions to enhance code clarity.
Only the default constructor is publicly accessible. Instances of sub_match are normally constructed and populated as a part of