std::wctype
From Cppreference
| C++ Standard Library |
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| Strings library |
| Wide null-terminated strings |
| Template:cpp/string/wide/sidebar content |
| Defined in header <cwctype>
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| std::wctype_t wctype( const char* str );
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Constructs a value of type std::wctype_t that describes a LC_CTYPE category of wide character classification. It may be one of the standard classification categories, or a locale-specific category, such as "jkanji".
[edit] Parameters
| str | - | C string holding the name of the desired category |
The following values of str are supported in all C locales:
| value of str | effect |
| "alnum" | identifies the category used by std::iswalnum |
| "alpha" | identifies the category used by std::iswalpha |
| "blank" | identifies the category used by std::iswblank (C++11) |
| "cntrl" | identifies the category used by std::iswcntrl |
| "digit" | identifies the category used by std::iswdigit |
| "graph" | identifies the category used by std::iswgraph |
| "lower" | identifies the category used by std::iswlower |
| "print" | identifies the category used by std::iswprint |
| "space" | identifies the category used by std::iswspace |
| "upper" | identifies the category used by std::iswupper |
| "xdigit" | identifies the category used by std::iswxdigit |
[edit] Return value
std::wctype_t object suitable for use with std::iswctype to classify wide characters according to the named category of the current C locale or zero if str does not name a category supported by the current C locale.
[edit] See also
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classifies a wide character according to the specified LC_CTYPE category (function) |
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