Name

isalnum function template — Determines whether a character is alphanumeric in a locale

Synopsis

template <typename charT>
bool isalnum(charT c, const locale& loc);

The isalnum function determines whether the character c is an alphanumeric character in the locale loc. It returns the following:

use_facet<ctype<charT> >(loc).is(ctype_base::alnum, c)

See Also

ctype_base class, ctype class template, isalpha function template, isdigit function template

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