diff options
author | Matthew Vernon <matthew@debian.org> | 2018-10-26 19:26:30 +0100 |
---|---|---|
committer | Matthew Vernon <matthew@debian.org> | 2018-10-26 19:26:30 +0100 |
commit | b03dbaae48971b62fe6ce174a8dfbbcaf1314d7e (patch) | |
tree | b1585aeb773d44506b56bca51a868d9236ec621f /doc/html/pcre2.html | |
parent | e98c3314cf9e05aa99f5e192862ec37f29b7dbb5 (diff) |
New upstream version 10.32
Diffstat (limited to 'doc/html/pcre2.html')
-rw-r--r-- | doc/html/pcre2.html | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/doc/html/pcre2.html b/doc/html/pcre2.html index b61c579..bc588c4 100644 --- a/doc/html/pcre2.html +++ b/doc/html/pcre2.html @@ -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 @@ -157,6 +164,7 @@ listing), and the short pages for individual functions, are concatenated in pcre2build building PCRE2 pcre2callout details of the callout feature pcre2compat discussion of Perl compatibility + pcre2convert details of pattern conversion functions pcre2demo a demonstration C program that uses PCRE2 pcre2grep description of the <b>pcre2grep</b> command (8-bit only) pcre2jit discussion of just-in-time optimization support @@ -167,6 +175,7 @@ listing), and the short pages for individual functions, are concatenated in pcre2perform discussion of performance issues pcre2posix the POSIX-compatible C API for the 8-bit library pcre2sample discussion of the pcre2demo program + pcre2serialize details of pattern serialization pcre2syntax quick syntax reference pcre2test description of the <b>pcre2test</b> command pcre2unicode discussion of Unicode and UTF support @@ -189,9 +198,9 @@ 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: 01 April 2017 +Last updated: 11 July 2018 <br> -Copyright © 1997-2017 University of Cambridge. +Copyright © 1997-2018 University of Cambridge. <br> <p> Return to the <a href="index.html">PCRE2 index page</a>. |