#include <stdio.h>
#include "boost/regex.hpp"

int main(int argc, char* argv[])
{
    boost::wregex  reg_ok( L".*\\.(?i:(docx|doc))" );
    boost::wregex  reg_bad( L".*\\.(?i:(doc|docx))" );

    if ( !boost::regex_match( L"/data/txt/a.DOC", reg_ok ) )
        printf( "#1 not matched!\n");
    if ( !boost::regex_match( L"/data/txt/a.doc", reg_ok ) )
        printf( "#2 not matched!\n");
    if ( !boost::regex_match( L"/data/txt/a.DOCX", reg_ok ) )
        printf( "#3 not matched!\n");
    if ( !boost::regex_match( L"/data/txt/a.docx", reg_ok ) )
        printf( "#4 not matched!\n");

    if ( !boost::regex_match( L"/data/txt/a.DOC", reg_bad ) )
        printf( "#5 not matched!\n");
    if ( !boost::regex_match( L"/data/txt/a.doc", reg_bad ) )
        printf( "#6 not matched!\n");
    if ( !boost::regex_match( L"/data/txt/a.DOCX", reg_bad ) )
        printf( "#7 not matched!\n");
    if ( !boost::regex_match( L"/data/txt/a.docx", reg_bad ) )
        printf( "#8 not matched!\n");
}