std::iswalnum
std::iswalnum
Defined in header <cwctype> | ||
---|---|---|
int iswalnum( std::wint_t ch ); |
Checks if the given wide character is an alphanumeric character, i.e. either a number (0123456789
), an uppercase letter (ABCDEFGHIJKLMNOPQRSTUVWXYZ
), a lowercase letter (abcdefghijklmnopqrstuvwxyz
) or any alphanumeric character specific to the current locale.
Parameters
ch | - | wide character |
Return value
Non-zero value if th