std::basic_regex
From cppreference.com
| Defined in header <regex>
|
||
| template < class CharT = char, |
(since C++11) | |
The class template basic_regex provides a general framework for holding regular expressions.
Several specializations for common character types are provided:
| Defined in header
<regex> | |
| Type | Definition |
regex
|
basic_regex<char> |
wregex
|
basic_regex<wchar_t> |
Contents |
[edit] Member types
| Member type | Definition |
value_type
|
CharT |
traits_type
|
Traits |
string_type
|
Traits::string_type |
locale_type
|
Traits::locale_type |
flag_type
|
std::regex_constants::syntax_option_type |
[edit] Member functions
| constructs the regex object (public member function) | |
| destructs the regex object (public member function) | |
| assigns the contents (public member function) | |
| assigns the contents (public member function) | |
Observers | |
| returns the number of marked sub-expressions within the regular expression (public member function) | |
| returns the syntax flags (public member function) | |
Locale | |
| get locale information (public member function) | |
| set locale information (public member function) | |
Modifiers | |
| swaps the contents (public member function) | |
Constants | |
| Value | Effect(s) |
| icase | ignores case when matching characters |
| nosubs | does not store sub-expression matches |
| optimize | faster matching, slower construction |
| collate | makes range expressions locale-sensitive |
| ECMAScript | uses an ECMA-262 (Perl 5) syntax |
| basic | uses a POSIX basic regular expression syntax |
| extended | uses a POSIX extended regular expression syntax |
| awk | uses an awk-compatible syntax |
| grep | uses a grep-compatible syntax |
| egrep | uses an extended grep-compatible syntax |
[edit] Non-member functions
| (C++11) |
specializes the std::swap algorithm (function template) |