std::match_results<BidirIt,Alloc>:: length
|
difference_type length
(
size_type n
=
0
)
const
;
|
(since C++11) | |
Returns the length of the specified sub-match.
If n == 0 , the length of the entire matched expression is returned.
If n > 0 && n < size ( ) , the length of n th sub-match is returned.
if n >= size ( ) , a length of the unmatched match is returned.
The call is equivalent to ( * this ) [ n ] . length ( ) .
Parameters
| n | - | integral number specifying which match to examine |
Return value
The length of the specified match or sub-match.
See also
|
returns specified sub-match
(public member function) |
|
|
returns the length of the match (if any)
(public member function of
std::sub_match<BidirIt>
)
|