std::basic_regex
From cppreference.com
Defined in header <regex>
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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
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basic_regex<char> |
wregex
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basic_regex<wchar_t> |
Contents |
[edit] Member types
Member type | Definition |
value_type
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CharT |
traits_type
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Traits |
string_type
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Traits::string_type |
locale_type
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Traits::locale_type |
flag_type
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std::regex_constants::syntax_option_type |
[edit] Member functions
constructs the regex object (public member function) |
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destructs the regex object (public member function) |
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assigns the contents (public member function) |
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assigns the contents (public member function) |
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Observers | |
returns the number of marked sub-expressions within the regular expression (public member function) |
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returns the syntax flags (public member function) |
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Locale | |
get locale information (public member function) |
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set locale information (public member function) |
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Modifiers | |
swaps the contents (public member function) |
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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)
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specializes the std::swap algorithm (function template) |