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# regex
regex is a regular expression toolkit for regex-base with:
* a text-replacement toolkit with type-safe text-replacement templates;
* special datatypes for matches and captures;
* compile-time checking of RE syntax;
* a unified means of controlling case-sensitivity and multi-line options;
* high-level AWK-like tools for building text processing apps;
* the option of using match operators with reduced polymorphism on the
text and result types;
* regular expression macros including:
+ a number of useful RE macros;
+ a test bench for testing and documenting new macro environments;
* built-in support for the TDFA and PCRE back ends;
* comprehensive documentation, tutorials and copious examples.
See the [About page](http://about.regex.uk) for details.
## regex and regex-examples
The library and tutorial, tests and examples have been split across
two packages:
* the `regex` package contains the regex library with the Posix TDFA
back end
* the `regex-with-pcre` library package contains the extra modules
needed for the PCRE back end
* the `regex-examples` package contains the tutorial, tests
and example programs.
## Road Map
- [X] 2017-04-10 v1.0.0.0 [First stable release](https://github.com/iconnect/regex/milestone/3)
- [X] 2017-06-03 v1.0.1.0 [PCRE.Text, strict PVP, Update Stackage vrns, add re-top](https://github.com/iconnect/regex/milestone/19)
- [X] 2017-06-04 v1.0.1.1 [Fix 1.0.1.0 release bug and provisionally fix UTF8/PCRE interworking](https://github.com/iconnect/regex/milestone/20)
- [X] 2017-06-05 v1.0.1.2 [Permit utf8-string-1](https://github.com/iconnect/regex/milestone/21)
- [X] 2017-06-05 v1.0.1.3 [Suspend Windows tests for PCRE on UTF-8 text](https://github.com/iconnect/regex/milestone/22)
- [X] 2018-12-14 v1.0.1.4 [Fix for GHC 8.4.4, GHC-8.6.2](https://github.com/iconnect/regex/milestone/23)
- [X] 2018-12-18 v1.0.1.5 [TDFA quasi quoters not dealing with newlines](https://github.com/iconnect/regex/milestone/24)
- [X] 2018-12-19 v1.0.2.0 [Tidy build issues](https://github.com/iconnect/regex/milestone/25)
- [X] 2020-01-27 v1.1.0.0 [Adapt for MonadFail/base-4.13/GHC-8.8](https://github.com/iconnect/regex/milestone/26)
- [X] 2021-12-18 v1.1.0.1 [Fix for base-4.16.0.0/GHC 9.2.1](https://github.com/iconnect/regex/milestone/27)
See the [Roadmap page](http://roadmap.regex.uk) for details.
## The regex blog
Check out the [regex blog](http://blog.regex.uk) for news articles and
discussion concerning all things regex.
## Build Status
[](https://hackage.haskell.org/package/regex) [](https://tldrlegal.com/license/bsd-3-clause-license-%28revised%29) [](https://travis-ci.org/iconnect/regex) [](https://ci.appveyor.com/project/engineerirngirisconnectcouk/regex/branch/master) [](https://coveralls.io/github/iconnect/regex?branch=master)
See [build status page](http://regex.uk/build-status) for details.
## Installing the Package
The package can be easily installed with cabal or stack on GHC-8.0,
7.10 or 7.8 for the above platforms. See the
[Installation page](http://installation.regex.uk) for details.
## The Tutorial Tests and Examples
See the [Tutorial page](http://tutorial.regex.uk) and
[Examples page](http://examples.regex.uk) for details.
## Helping Out
If you have any feedback or suggestion then please drop us a line.
* `t` [@hregex](https://twitter.com/hregex)<br/>
* `e` maintainers@regex.uk<br/>
* `w` http://issues.regex.uk
The [Contact page](http://contact.regex.uk) has more details.
## The API
The Haddocks can be found at http://hs.regex.uk.
## The Macro Tables
The macro environments are an important part of the package and
are documented [here](http://macros.regex.uk).
## The regex.uk Directory
A handy overview of the regex.uk domain can be found
[here](http://directory.regex.uk).
## The Changelog
The `changelog` is posted [here](http://changelog.regex.uk).
## The Authors
This library was written and is currently maintained by
[Chris Dornan](mailto:chris.dornan@irisconnect.com) aka
[@cdornan](https://twitter.com/cdornan)
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