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std::match_results::begin, std::match_results::cbegin

iterator begin();
(since C++11)
const_iterator begin() const;
(since C++11)
const_iterator cbegin() const;
(since C++11)

Returns an iterator to the beginning of the list of sub-matches. If match was successful, the iterator will point to the entire matched expression.

Parameters

(none).

Return value

Iterator to the first sub-match.

Exceptions

noexcept specification:
noexcept

Complexity

Constant.

See also

returns iterator to the end of the list of sub-matches
(public member function)

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