std::isxdigit(std::locale)

From cppreference.com
< cpplrm; | locale
Defined in header <locale>
template< class charT >
bool isxdigit( charT ch, const locale& loc );

Checks if the given character is classified as a hexadecimal digit by the given locale's std::ctype facet.

Parameters

ch - character
loc - locale

Return value

Returns true if the character is classified as a hexadecimal digit, false otherwise.

Possible implementation

template< class charT >
bool isxdigit( charT ch, const std::locale& loc ) {
    return std::use_facet<std::ctype<charT>>(loc).is(std::ctype_base::xdigit, ch);
}

Example

See also

checks if a character is a hexadecimal character
(function)
checks if a character is a hexadecimal character
(function)