gainst</P>
      <PRE>one fine day</PRE>
      <P>Then $1 will contain the string "day", and all the previous captures will have 
         been forgotten.</P>
      <P>However, Boost.Regex has an experimental feature that allows all the capture 
         information to be retained - this is accessed either via the <A href="match_results.html#m17">
            match_results::captures</A> member function or the <A href="sub_match.html#m8">sub_match::captures</A>
         member function.&nbsp; These functions