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Localization library

From cppreference.com
< cpp

The locale facility includes internationalization support for character classification and string collation, numeric, monetary, and date/time formatting and parsing, and message retrieval. Locale settings control the behavior of stream I/O, regular expression library, and other components of the C++ standard library.

Locales

Defined in header <locale>
Locales and facets
set of polymorphic facets that encapsulate cultural differences
(class)
obtains a facet from a locale
(function template)
checks if a locale implements a specific facet
(function template)
Character classification
checks if a character is classified as whitespace by a locale
(function template)
checks if a character is classified as a blank character by a locale
(function template)
checks if a character is classified as a control character by a locale
(function template)
checks if a character is classified as uppercase by a locale
(function template)
checks if a character is classified as lowercase by a locale
(function template)
checks if a character is classified as alphabetic by a locale
(function template)
checks if a character is classified as a digit by a locale
(function template)
checks if a character is classified as punctuation by a locale
(function template)
checks if a character is classified as a hexadecimal digit by a locale
(function template)
checks if a character is classified as alphanumeric by a locale
(function template)
checks if a character is classified as printable by a locale
(function template)
checks if a character is classfied as graphical by a locale
(function template)
Character conversions
converts a character to uppercase using the ctype facet of a locale
(function template)
converts a character to lowercase using the ctype facet of a locale
(function template)
String and stream conversions
(C++11)(deprecated in C++17)
performs conversions between a wide string and a byte string
(class template)
(C++11)(deprecated in C++17)
performs conversion between a byte stream buffer and a wide stream buffer
(class template)
Facet category base classes
defines character classification categories
(class)
defines character conversion errors
(class)
defines messages catalog type
(class)
defines date format constants
(class)
defines monetary formatting patterns
(class)
Facet categories
defines character classification tables
(class template)
specialization of std::ctype for type char
(class template specialization)
converts between character encodings, including UTF-8, UTF-16, UTF-32
(class template)
defines lexicographical comparison and hashing of strings
(class template)
implements retrieval of strings from message catalogs
(class template)
parses time/date values from an input character sequence into struct std::tm
(class template)
formats contents of struct std::tm for output as character sequence
(class template)
parses numeric values from an input character sequence
(class template)
formats numeric values for output as character sequence
(class template)
defines numeric punctuation rules
(class template)
parses and constructs a monetary value from an input character sequence
(class template)
formats a monetary value for output as a character sequence
(class template)
defines monetary formatting parameters used by std::money_get and std::money_put
(class template)
Locale-specific facet categories
represents the system-supplied std::ctype for the named locale
(class template)
represents the system-supplied std::codecvt for the named locale
(class template)
represents the system-supplied std::messages for the named locale
(class template)
represents the system-supplied std::collate for the named locale
(class template)
represents the system-supplied std::time_get for the named locale
(class template)
represents the system-supplied std::time_put for the named locale
(class template)
represents the system-supplied std::numpunct for the named locale
(class template)
represents the system-supplied std::moneypunct for the named locale
(class template)

Locale-independent unicode conversion facets

Defined in header <codecvt>
(C++11)(deprecated in C++17)
converts between UTF-8 and UCS2/UCS4
(class template)
(C++11)(deprecated in C++17)
converts between UTF-16 and UCS2/UCS4
(class template)
(C++11)(deprecated in C++17)
converts between UTF-8 and UTF-16
(class template)
(C++11)(deprecated in C++17)
tags to alter behavior of the standard codecvt facets
(enum)

C library locales

Defined in header <clocale>
gets and sets the current C locale
(function)
locale categories for std::setlocale
(macro constant)
queries numeric and monetary formatting details of the current locale
(function)
formatting details, returned by std::localeconv
(class)

See also

C documentation for Localization support