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Documentation update.

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Philip.Hazel
2018-07-11 10:06:51 +00:00
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@@ -23,12 +23,19 @@ please consult the man page, in case the conversion went wrong.
<P>
PCRE2 is the name used for a revised API for the PCRE library, which is a set
of functions, written in C, that implement regular expression pattern matching
using the same syntax and semantics as Perl, with just a few differences. Some
features that appeared in Python and the original PCRE before they appeared in
Perl are also available using the Python syntax. There is also some support for
one or two .NET and Oniguruma syntax items, and there are options for
requesting some minor changes that give better ECMAScript (aka JavaScript)
compatibility.
using the same syntax and semantics as Perl, with just a few differences. After
nearly two decades, the limitations of the original API were making development
increasingly difficult. The new API is more extensible, and it was simplified
by abolishing the separate "study" optimizing function; in PCRE2, patterns are
automatically optimized where possible. Since forking from PCRE1, the code has
been extensively refactored and new features introduced.
</P>
<P>
As well as Perl-style regular expression patterns, some features that appeared
in Python and the original PCRE before they appeared in Perl are available
using the Python syntax. There is also some support for one or two .NET and
Oniguruma syntax items, and there are options for requesting some minor changes
that give better ECMAScript (aka JavaScript) compatibility.
</P>
<P>
The source code for PCRE2 can be compiled to support 8-bit, 16-bit, or 32-bit
@@ -191,7 +198,7 @@ use my two initials, followed by the two digits 10, at the domain cam.ac.uk.
</P>
<br><a name="SEC5" href="#TOC1">REVISION</a><br>
<P>
Last updated: 04 March 2018
Last updated: 11 July 2018
<br>
Copyright &copy; 1997-2018 University of Cambridge.
<br>