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revision 566 by ph10, Thu Jun 3 19:18:24 2010 UTC revision 567 by ph10, Sat Nov 6 17:10:00 2010 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 with respect to Perl  regular expressions. The differences described here are with respect to Perl
21  5.10/5.11.  versions 5.10 and above.
22  </P>  </P>
23  <P>  <P>
24  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 113  names map to capturing subpattern number Line 113  names map to capturing subpattern number
113  an error is given at compile time.  an error is given at compile time.
114  </P>  </P>
115  <P>  <P>
116  12. PCRE provides some extensions to the Perl regular expression facilities.  12. Perl recognizes comments in some places that PCRE doesn't, for example,
117    between the ( and ? at the start of a subpattern.
118    </P>
119    <P>
120    13. PCRE provides some extensions to the Perl regular expression facilities.
121  Perl 5.10 includes new features that are not in earlier versions of Perl, some  Perl 5.10 includes new features that are not in earlier versions of Perl, some
122  of which (such as named parentheses) have been in PCRE for some time. This list  of which (such as named parentheses) have been in PCRE for some time. This list
123  is with respect to Perl 5.10:  is with respect to Perl 5.10:
# Line 182  Cambridge CB2 3QH, England. Line 186  Cambridge CB2 3QH, England.
186  REVISION  REVISION
187  </b><br>  </b><br>
188  <P>  <P>
189  Last updated: 12 May 2010  Last updated: 31 October 2010
190  <br>  <br>
191  Copyright &copy; 1997-2010 University of Cambridge.  Copyright &copy; 1997-2010 University of Cambridge.
192  <br>  <br>

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