Question

How to check whether a given wide character is a hexadecimal number in C

Answer 1

#include <stdio.h>
#include <wchar.h>

int main(void)
{
    wchar_t wch = L'f';

    if (iswxdigit(wch) > 0) {
        wprintf(L"Hexadecimal\n");
    }
    else {
        wprintf(L"Not hexadecimal\n");
    }

    return 0;
}




/*
run:

Hexadecimal

*/

 

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