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# std::ctype_base

From cppreference.com
< cpp‎ | locale

Defined in header `<locale>` |  |
class ctype_base; |  |

The class std::ctype_base lists the character classification categories which are inherited by the std::ctype facets.

### [edit] Member types

mask | unspecified `BitmaskType` (enumeration, integer type, or bitset) (typedef)

### [edit] Member constants

space [static] | the value of `mask` identifying whitespace character classification (public static member constant)
print [static] | the value of `mask` identifying printable character classification (public static member constant)
cntrl [static] | the value of `mask` identifying control character classification (public static member constant)
upper [static] | the value of `mask` identifying uppercase character classification (public static member constant)
lower [static] | the value of `mask` identifying lowercase character classification (public static member constant)
alpha [static] | the value of `mask` identifying alphabetic character classification (public static member constant)
digit [static] | the value of `mask` identifying digit character classification (public static member constant)
punct [static] | the value of `mask` identifying punctuation character classification (public static member constant)
xdigit [static] | the value of `mask` identifying hexadecimal digit character classification (public static member constant)
blank [static] (C++11) | the value of `mask` identifying blank character classification (public static member constant)
alnum [static] | alpha | digit (public static member constant)
graph [static] | alnum | punct (public static member constant)

### [edit] See also

ctype | defines character classification tables (class template) [edit]
ctype<char> | specialization of std::ctype for type char (class template specialization) [edit]
ctype_byname | represents the system-supplied std::ctype for the named locale (class template) [edit]

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