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revision 93 by nigel, Sat Feb 24 21:41:42 2007 UTC revision 182 by ph10, Wed Jun 13 15:09:54 2007 UTC
# Line 18  DIFFERENCES BETWEEN PCRE AND PERL Line 18  DIFFERENCES BETWEEN PCRE AND PERL
18  <P>  <P>
19  This document describes the differences in the ways that PCRE and Perl handle  This document describes the differences in the ways that PCRE and Perl handle
20  regular expressions. The differences described here are mainly with respect to  regular expressions. The differences described here are mainly with respect to
21  Perl 5.8, though PCRE version 7.0 contains some features that are expected to  Perl 5.8, though PCRE versions 7.0 and later contain some features that are
22  be in the forthcoming Perl 5.10.  expected to be in the forthcoming Perl 5.10.
23  </P>  </P>
24  <P>  <P>
25  1. PCRE has only a subset of Perl's UTF-8 and Unicode support. Details of what  1. PCRE has only a subset of Perl's UTF-8 and Unicode support. Details of what
# Line 111  meta-character matches only at the very Line 111  meta-character matches only at the very
111  <br>  <br>
112  <br>  <br>
113  (c) If PCRE_EXTRA is set, a backslash followed by a letter with no special  (c) If PCRE_EXTRA is set, a backslash followed by a letter with no special
114  meaning is faulted. Otherwise, like Perl, the backslash is ignored. (Perl can  meaning is faulted. Otherwise, like Perl, the backslash is quietly ignored.
115  be made to issue a warning.)  (Perl can be made to issue a warning.)
116  <br>  <br>
117  <br>  <br>
118  (d) If PCRE_UNGREEDY is set, the greediness of the repetition quantifiers is  (d) If PCRE_UNGREEDY is set, the greediness of the repetition quantifiers is
# Line 141  different hosts that have the other endi Line 141  different hosts that have the other endi
141  (j) The alternative matching function (<b>pcre_dfa_exec()</b>) matches in a  (j) The alternative matching function (<b>pcre_dfa_exec()</b>) matches in a
142  different way and is not Perl-compatible.  different way and is not Perl-compatible.
143  </P>  </P>
144    <br><b>
145    AUTHOR
146    </b><br>
147  <P>  <P>
148  Last updated: 28 November 2006  Philip Hazel
149    <br>
150    University Computing Service
151    <br>
152    Cambridge CB2 3QH, England.
153    <br>
154    </P>
155    <br><b>
156    REVISION
157    </b><br>
158    <P>
159    Last updated: 13 June 2007
160    <br>
161    Copyright &copy; 1997-2007 University of Cambridge.
162  <br>  <br>
 Copyright &copy; 1997-2006 University of Cambridge.  
163  <p>  <p>
164  Return to the <a href="index.html">PCRE index page</a>.  Return to the <a href="index.html">PCRE index page</a>.
165  </p>  </p>

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