PCRE is a library of functions to support regular expressions whose syntaxand semantics are as close as possible to those of the Perl 5 language.Written by: Philip Hazel <ph10@cam.ac.uk>University of Cambridge Computing Service,Cambridge, England. Phone: +44 1223 334714.Copyright (c) 1997-2001 University of CambridgeAlso, see AUTHORS, LICENCE in the "doc" folder.---------------------------------------------------------------------------Modifications:May 2002.     Ported to NCBI C++ Toolkit. Vladimir Ivanov (ivanov@ncbi.nlm.nih.com)