View source for cpp/regex/match results/format

===Parameters===
{{par begin}}
{{par|fmt_begin, fmt_end|pointers to a range of characters defining the format character sequence}}
{{par|fmt|{{lc|std::basic_string}} defining the format character sequence}}
{{par|fmt_s|pointer to a null-terminated character string defining the format character sequence}}
{{par|out|iterator that the resulting character sequence is copied to}}
{{par|flags|{{lc|std::regex_constants::match_flag_type}} bitmask specifying which format specifiers and escape sequences are recognized}}
{{par hreq}}
{{par req named|OutputIt|OutputIterator}}
{{par end}}