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# std::match_results::empty

From cppreference.com
< cpp‎ | regex‎ | match results

bool empty() const; |  | (since C++11)

Checks whether the match was successful.

### [edit] Parameters

(none)

### [edit] Return value

size() == 0 (false if `*this` represents the result of a successful match, true otherwise)

### [edit] Exceptions

(none)

### [edit] Complexity

Constant.

### [edit] See also

size | returns the number of matches in a fully-established result state (public member function) [edit]

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