This page tries to list all the symbols that are available from thestandard library (regular expressions library) in the namespacestd::regex_constants. The symbols are written as follows:

• Function names with().
• Templates with<>.

[edit]

ABCEFGIMNOS

[edit]A

awk(since C++11)

[edit]B

basic(since C++11)

[edit]C

collate(since C++11)

[edit]E

ECMAScript(since C++11)
egrep(since C++11)
error_backref(since C++11)
error_badbrace(since C++11)
error_badrepeat(since C++11)
error_brace(since C++11)
error_brack(since C++11)
error_collate(since C++11)
error_complexity(since C++11)
error_ctype(since C++11)
error_escape(since C++11)
error_paren(since C++11)
error_range(since C++11)
error_space(since C++11)
error_stack(since C++11)
error_type(since C++11)
extended(since C++11)

[edit]F

format_default(since C++11)
format_first_only(since C++11)
format_no_copy(since C++11)
format_sed(since C++11)

[edit]G

grep(since C++11)

[edit]I

icase(since C++11)

[edit]M

match_any(since C++11)
match_continuous(since C++11)
match_default(since C++11)
match_flag_type(since C++11)
match_not_bol(since C++11)
match_not_bow(since C++11)
match_not_eol(since C++11)
match_not_eow(since C++11)
match_not_null(since C++11)
match_prev_avail(since C++11)
multiline(since C++17)

[edit]N

nosubs(since C++11)

[edit]O

optimize(since C++11)

[edit]S

syntax_option_type(since C++11)

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