abc
aaaaaaaaaaabcccccccc
quit
^([0-9]+)(\-| |$)(.*)$
100- this is a line of ftp response which contains a message string
quit
quit

#  Copyright 2007 John Maddock.
#  Distributed under the Boost Software License, Version 1.0.
#  (See accompanying file LICENSE_1_0.txt or copy at
#  http://www.boost.org/LICENSE_1_0.txt).