xieite ::isalnum ()
Defined in header <xieite/data/isalnum.hpp> An improved replacement and extension of
std ::isalnum ()Declarations
#0Checks if a single character is alphanumeric.[[nodiscard ]]constexpr bool isalnum (xieite ::is_char auto c )noexcept ;
#1
Checks if a string consists only of alphanumeric characters.template <xieite ::is_char Char ,typename Traits > [[nodiscard ]]constexpr bool isalnum (std ::basic_string_view <Char ,Traits >strv )noexcept ;
#2
Defers to #1 after deducingtemplate <xieite ::is_char Char ,typename Traits ,typename Alloc > [[nodiscard ]]constexpr bool isalnum (const std ::basic_string_view <Char ,Traits ,Alloc >& str )noexcept ;
Char #2
Defers to #1 after deducingtemplate <xieite ::is_char Char ,std ::size_t length > [[nodiscard ]]constexpr bool isalnum (const xieite ::paren <Char [length ]>& str )noexcept ;
Char Example
[View in Compiler Explorer]static_assert (xieite ::isalnum ('0' ));static_assert (xieite ::isalnum ('a' ));static_assert (not xieite ::isalnum ('!' ));