std::match_results<BidirIt,Alloc>::position - cppreference.com (original) (raw)
| difference_type position( size_type n = 0 ) const; | | (since C++11) | | ----------------------------------------------------- | | ------------- |
Returns the position of the first character of the specified sub-match.
If n == 0, the position of the first character of the entire matched expression is returned.
If n > 0 && n < size(), the position of the first character of the nth sub-match is returned.
if n >= size(), a position of the first character of the unmatched match is returned.
ready() must be true. Otherwise, the behavior is undefined.
[edit] Parameters
| n | - | integral number specifying which match to examine |
|---|
[edit] Return value
The position of the first character of the specified match or sub-match.