std::sub_match<BidirIt>::length (3) - Linux Manuals
std::sub_match<BidirIt>::length: std::sub_match<BidirIt>::length
NAME
std::sub_match<BidirIt>::length - std::sub_match<BidirIt>::length
Synopsis
difference_type length() const;
Parameters
(none)
Return value
Returns the number of characters in the match, i.e. std::distance(first, second) if the match is valid, 0 otherwise.
Complexity
Constant