/[pcre]/code/trunk/doc/pcrecompat.3
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revision 79 by nigel, Sat Feb 24 21:40:52 2007 UTC revision 87 by nigel, Sat Feb 24 21:41:21 2007 UTC
# Line 8  This document describes the differences Line 8  This document describes the differences
8  regular expressions. The differences described here are with respect to Perl  regular expressions. The differences described here are with respect to Perl
9  5.8.  5.8.
10  .P  .P
11  1. PCRE does not have full UTF-8 support. Details of what it does have are  1. PCRE has only a subset of Perl's UTF-8 and Unicode support. Details of what
12  given in the  it does have are given in the
13  .\" HTML <a href="pcre.html#utf8support">  .\" HTML <a href="pcre.html#utf8support">
14  .\" </a>  .\" </a>
15  section on UTF-8 support  section on UTF-8 support
# Line 44  encountered by PCRE, an error is generat Line 44  encountered by PCRE, an error is generat
44  6. The Perl escape sequences \ep, \eP, and \eX are supported only if PCRE is  6. The Perl escape sequences \ep, \eP, and \eX are supported only if PCRE is
45  built with Unicode character property support. The properties that can be  built with Unicode character property support. The properties that can be
46  tested with \ep and \eP are limited to the general category properties such as  tested with \ep and \eP are limited to the general category properties such as
47  Lu and Nd.  Lu and Nd, script names such as Greek or Han, and the derived properties Any
48    and L&.
49  .P  .P
50  7. PCRE does support the \eQ...\eE escape for quoting substrings. Characters in  7. PCRE does support the \eQ...\eE escape for quoting substrings. Characters in
51  between are treated as literals. This is slightly different from Perl in that $  between are treated as literals. This is slightly different from Perl in that $
# Line 119  different hosts that have the other endi Line 120  different hosts that have the other endi
120  different way and is not Perl-compatible.  different way and is not Perl-compatible.
121  .P  .P
122  .in 0  .in 0
123  Last updated: 28 February 2005  Last updated: 24 January 2006
124  .br  .br
125  Copyright (c) 1997-2005 University of Cambridge.  Copyright (c) 1997-2006 University of Cambridge.

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