Name                                                    Last modified       Size  

 Parent Directory                                        17-Jun-2008 09:15      -  
 README                                                  09-May-2001 06:05     1k  
 regex-0.12.tar.gz                                       03-Apr-1993 00:00   291k  

You can get newer versions of GNU regex, our regular expression matcher,
from a GNU libc tarball.  The files you need are posix/regex.c and
posix/regex.h.