#define UNICODE
#include <boost/regex.h>

#include <stdio.h>
#include <wctype.h>
#include <locale.h>

int main() {
	regex_t r;

	setlocale(LC_ALL, "en_US.utf8");

	regcomp(&r, L"^[[:alpha:]]$", REG_EXTENDED);

	printf("%d\n", iswalpha(L'A'));
	printf("%d\n\n", regexec(&r, L"A", 0, NULL, 0));

	printf("%d\n", iswalpha(L'\x160'));
	printf("%d\n\n", regexec(&r, L"\x160", 0, NULL, 0));

	printf("%d\n", iswalpha(L'1'));
	printf("%d\n", regexec(&r, L"1", 0, NULL, 0));

	regfree(&r);

	return 0;
}