| | (1) | (since C++11) |
1 2 3 4 5 | regex_token_iterator( BidirectionalIterator a, BidirectionalIterator b,
const regex_type& re,
int submatch = 0,
std::regex_constants::match_flag_type m =
std::regex_constants::match_default );
|
| (2) | (since C++11) |
1 2 3 4 5 | regex_token_iterator( BidirectionalIterator a, BidirectionalIterator b,
const regex_type& re,
const std::vector<int>& submatches,
std::regex_constants::match_flag_type m =
std::regex_constants::match_default );
|
| (3) | (since C++11) |
1 2 3 4 5 | regex_token_iterator( BidirectionalIterator a, BidirectionalIterator b,
const regex_type& re,
std::initializer_list<int> submatches,
std::regex_constants::match_flag_type m =
std::regex_constants::match_default );
|
| (4) | (since C++11) |
1 2 3 4 5 6 | template <std::size_t N>
regex_token_iterator( BidirectionalIterator a, BidirectionalIterator b,
const regex_type& re,
const int (&submatches)[N],
std::regex_constants::match_flag_type m =
std::regex_constants::match_default );
|
| (5) | (since C++11) |
1 | regex_token_iterator( const regex_token_iterator& other );
|
| (6) | (since C++11) |
1 2 3 4 5 | regex_token_iterator( BidirectionalIterator a, BidirectionalIterator b,
const regex_type&& re,
int submatch = 0,
std::regex_constants::match_flag_type m =
std::regex_constants::match_default ) = delete;
|
| (7) | (since C++14) |
1 2 3 4 5 | regex_token_iterator( BidirectionalIterator a, BidirectionalIterator b,
const regex_type&& re,
const std::vector<int>& submatches,
std::regex_constants::match_flag_type m =
std::regex_constants::match_default ) = delete;
|
| (8) | (since C++14) |
1 2 3 4 5 | regex_token_iterator( BidirectionalIterator a, BidirectionalIterator b,
const regex_type&& re,
std::initializer_list<int> submatches,
std::regex_constants::match_flag_type m =
std::regex_constants::match_default ) = delete;
|
| (9) | (since C++14) |
1 2 3 4 5 6 | template <std::size_t N>
regex_token_iterator( BidirectionalIterator a, BidirectionalIterator b,
const regex_type&& re,
const int (&submatches)[N],
std::regex_constants::match_flag_type m =
std::regex_constants::match_default ) = delete;
|
| (10) | (since C++14) |
Constructs a new regex_token_iterator:
1) Default constructor. Constructs the end-of-sequence iterator.
2-5) First, copies the list of the requested submatch out of the submatches or submatch argument into the member list stored in the iterator and constructs the member std::regex_iterator by passing a, b, re, and m to its four-argument constructor (that constructor performs the initial call to std::regex_search) and sets the internal counter of submatches to zero.
- If, after construction, the member
regex_iterator is not an end-of-sequence iterator, sets the member pointer to the address of the current std::sub_match. - Otherwise (if the member
regex_iterator is an end-of-sequence iterator), but the value -1 is one of the values in submatches/submatch, turns *this into a suffix iterator pointing at the range [a,b) (the entire string is the non-matched suffix) - Otherwise (if -1 is not in the list of submatches), turns
*this into the end-of-sequence iterator.
The behavior is undefined if any value in submatches is less than -1.
6) Copy constructor: performs member-wise copy (including making a copy of the member regex_iterator and the member pointer to current sub_match).
7-10) The overloads 2-5 are prohibited from being called with a temporary regex since otherwise the returned iterator would be immediately invalidated
Parameters
| a | - | BidirectionalIterator to the beginning of the target character sequence |
| b | - | BidirectionalIterator to the end of the target character sequence |
| re | - | regular expression used to search the target character sequence |
| submatch | - | the index of the submatch that should be returned. "0" represents the entire match, and "-1" represents the parts that are not matched (e.g, the stuff between matches). |
| submatches | - | the sequence of submatch indices that should be iterated over within each match, may include the special value -1 for the non-matched fragments |
| m | - | flags that govern the behavior of re |
Example
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