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Carlo Marcelo Arenas Belón 3b973ebf4b
inttypes and stdint cleanup (#30) 
* cleanup: remove references to no longer used stdint.h

Since 19c50b9d (Unconditionally use inttypes.h instead of trying for
stdint.h (simplification) and remove the now unnecessary inclusion in
pcre2_internal.h., 2018-11-14), stdint.h is no longer used.

Remove checks for it in autotools and CMake and document better the
expected build failures for systems that might have stdint.h (C99)
and not inttypes.h (from POSIX), like old Windows.

* cleanup: remove detection for inttypes.h which is a hard dependency

CMake checks for standard headers are not meant to be used for hard
dependencies, so will prevent a possible fallback to work.

Alternatively, the header could be checked to make the configuration
fail instead of breaking the build, but that was punted, as it was
missing anyway from autotools.
 		2021-10-29 15:05:19 +01:00
cmake Apply Jan-Willem Blokland's CMake patches to build both static and shared 2021-07-11 15:15:24 +00:00
doc Update to Unicode 14.0.0 (#29) 2021-10-29 14:44:17 +01:00
m4 Change --enable-pcre8 etc to --enable-pcre2-8 etc and consequent changes; 2014-10-17 15:52:57 +00:00
maint Update to Unicode 14.0.0 (#29) 2021-10-29 14:44:17 +01:00
src inttypes and stdint cleanup (#30) 2021-10-29 15:05:19 +01:00
testdata Lock out \K in lookaround assertions by default, but provide an option to 2021-08-30 16:57:44 +01:00
.gitignore Add test files to .gitignore 2021-08-31 15:58:52 +01:00
132html Add additional compile options and PCRE2_EXTRA_ALLOW_SURROGATE_ESCAPES. 2017-05-17 17:55:11 +00:00
AUTHORS Prepare for 10.38-RC1 release 2021-08-31 17:10:37 +01:00
CMakeLists.txt inttypes and stdint cleanup (#30) 2021-10-29 15:05:19 +01:00
COPYING Fix erroneous COPYING file. 2016-01-05 15:49:53 +00:00
ChangeLog Documentation minor text fixes. 2021-10-29 12:33:20 +01:00
CheckMan Fix documentation typos and upgrade documentation checking script. 2020-04-24 16:05:36 +00:00
CleanTxt Documentation scripts 2014-09-23 11:35:51 +00:00
Detrail Documentation scripts 2014-09-23 11:35:51 +00:00
HACKING Implement non-atomic positive assertions. 2019-07-13 11:12:03 +00:00
LICENCE Prepare for 10.38-RC1 release 2021-08-31 17:10:37 +01:00
Makefile.am Apply Jan-Willem Blokland's CMake patches to build both static and shared 2021-07-11 15:15:24 +00:00
NEWS Update dates and tidy files for 10.38 release. 2021-10-01 16:44:09 +01:00
NON-AUTOTOOLS-BUILD inttypes and stdint cleanup (#30) 2021-10-29 15:05:19 +01:00
PrepareRelease Renamed dftables as pcre2_dftables and enable it to write the tables in binary. 2020-03-20 18:09:59 +00:00
README Doc file tidies for 10.38-RC1 2021-08-31 17:14:42 +01:00
README.md Update README.md to be identical to index.md. 2021-08-28 10:19:40 +01:00
RunGrepTest Add --allow-lookaround-bsk to pcre2grep 2021-08-31 16:24:25 +01:00
RunGrepTest.bat Add --disable-pcre2grep-callout-fork configuration setting. 2018-11-17 16:45:57 +00:00
RunTest Final file tidies for 10.36 2020-12-04 14:30:03 +00:00
RunTest.bat Fix bug in RunTest: not reporting failure in test 2, and fix bugs in RunTest 2020-11-22 15:16:05 +00:00
autogen.sh Add basic configuration files. 2014-02-20 19:17:05 +00:00
config-cmake.h.in inttypes and stdint cleanup (#30) 2021-10-29 15:05:19 +01:00
configure.ac Update version number to 10.39-RC1. 2021-10-06 12:00:04 +01:00
index.md Another tweak needed. 2021-08-28 10:16:41 +01:00
libpcre2-8.pc.in Fix Windows debug builds (Bugzilla #2600) using CMake. 2020-06-22 15:51:19 +00:00
libpcre2-16.pc.in Fix Windows debug builds (Bugzilla #2600) using CMake. 2020-06-22 15:51:19 +00:00
libpcre2-32.pc.in Fix Windows debug builds (Bugzilla #2600) using CMake. 2020-06-22 15:51:19 +00:00
libpcre2-posix.pc.in Fix Windows debug builds (Bugzilla #2600) using CMake. 2020-06-22 15:51:19 +00:00
pcre2-config.in Fix Windows debug builds (Bugzilla #2600) using CMake. 2020-06-22 15:51:19 +00:00
pcre2_fuzzer.dict Commit an experimental fuzzer dictionary. 2017-05-20 15:34:50 +00:00
pcre2_fuzzer.options Create options file for fuzzer. 2017-05-24 09:10:29 +00:00
perltest.sh Fix delimiters in tests 1 and 4 for correct Perl behaviour (Bugzilla #2641). 2020-09-13 15:56:32 +00:00

README.md

PCRE2 - Perl-Compatible Regular Expressions

The PCRE2 library is a set of C functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5. PCRE2 has its own native API, as well as a set of wrapper functions that correspond to the POSIX regular expression API. The PCRE2 library is free, even for building proprietary software. It comes in three forms, for processing 8-bit, 16-bit, or 32-bit code units, in either literal or UTF encoding.

PCRE2 was first released in 2015 to replace the API in the original PCRE library, which is now obsolete and no longer maintained. As well as a more flexible API, the code of PCRE2 has been much improved since the fork.

Download

As well as downloading from the GitHub site, you can download PCRE2 or the older, unmaintained PCRE1 library from an unofficial mirror at SourceForge.

You can check out the PCRE2 source code via Git or Subversion:

git clone https://github.com/PhilipHazel/pcre2.git
svn co    https://github.com/PhilipHazel/pcre2.git

Contributed Ports

If you just need the command-line PCRE2 tools on Windows, precompiled binary versions are available at this Rexegg page.

A PCRE2 port for z/OS, a mainframe operating system which uses EBCDIC as its default character encoding, can be found at http://www.cbttape.org (File 939).

Documentation

You can read the PCRE2 documentation here.

Comparisons to Perl's regular expression semantics can be found in the community authored Wikipedia entry for PCRE.

There is a curated summary of changes for each PCRE release, copies of documentation from older releases, and other useful information from the third party authored RexEgg PCRE Documentation and Change Log page.

Contact

To report a problem with the PCRE2 library, or to make a feature request, please use the PCRE2 GitHub issues tracker. There is a mailing list for discussion of PCRE2 issues and development at pcre2-dev@googlegroups.com, which is where any announcements will be made. You can browse the list archives.