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flags Flags used to control how rgx is matched. rgx A basic_regex object (the pattern) to match. Parameters s A string with the target sequence (the subject) against which the regex expression is matched. For a function that returns true when the match is only part of the sequence, see regex_search. The entire target sequence must match the regular expression for this function to return true (i.e., without any additional characters before or after the match). The versions 4, 5 and 6, are identical to 1, 2 and 3 respectively, except that they take an object of a match_results type as argument, which is filled with information about the match results.ĭeleting the signature with a moving string (7) prevents the construction with a temporary string object.Īn optional parameter, flags, allows to specify options on how to match the expression.

The target sequence is either s or the character sequence between first and last, depending on the version used. Returns whether the target sequence matches the regular expression rgx. Template bool regex_match (const basic_string&, match_results::const_iterator,Alloc>&, const basic_regex&, regex_constants::match_flag_type=regex_constants::match_default) = delete Template bool regex_match (const charT* s, match_results& m, const basic_regex& rgx, regex_constants::match_flag_type flags = regex_constants::match_default) template bool regex_match (const basic_string& s, match_results::const_iterator,Alloc>& m, const basic_regex& rgx, regex_constants::match_flag_type flags = regex_constants::match_default) template bool regex_match (BidirectionalIterator first, BidirectionalIterator last, match_results& m, const basic_regex& rgx, regex_constants::match_flag_type flags = regex_constants::match_default) Template bool regex_match (BidirectionalIterator first, BidirectionalIterator last, const basic_regex& rgx, regex_constants::match_flag_type flags = regex_constants::match_default) Template bool regex_match (const basic_string& s, const basic_regex& rgx, regex_constants::match_flag_type flags = regex_constants::match_default) Template bool regex_match (const charT* s, const basic_regex& rgx, regex_constants::match_flag_type flags = regex_constants::match_default)