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[Testing & Quality](/categories/testing) 4. / 5. pep/reverse-regex ActiveLibrary[Testing & Quality](/categories/testing) pep/reverse-regex ================= Convert Regular Expressions into text, for testing 0.6.3(12y ago)124MITPHP Since Oct 17Pushed 12y agoCompare [ Source](https://github.com/PepijnSenders/ReverseRegex)[ Packagist](https://packagist.org/packages/pep/reverse-regex)[ Docs](https://github.com/PepijnSenders/ReverseRegex)[ RSS](/packages/pep-reverse-regex/feed)WikiDiscussions master Synced 3d ago READMEChangelog (1)Dependencies (3)Versions (11)Used By (0) ReverseRegex ============ [](#reverseregex) [![Build Status](https://camo.githubusercontent.com/9a4e0aa470badc8e8e7f69db199d3948f5e5f2b8b56cd20dd3297dd73c3d420f/68747470733a2f2f7472617669732d63692e6f72672f69636f6d6566726f6d7468656e65742f5265766572736552656765782e706e67)](https://travis-ci.org/icomefromthenet/ReverseRegex) Use Regular Expressions to generate text strings can be used in the following situations: 1. Wrting test data for web forms. 2. Writing test data for databases. 3. Generating test data for regular expressions. \##Example ``` use ReverseRegex\Lexer; use ReverseRegex\Random\SimpleRandom; use ReverseRegex\Parser; use ReverseRegex\Generator\Scope; # load composer require "vendor/autoload.php"; $lexer = new Lexer('[a-z]{10}'); $gen = new SimpleRandom(10007); $result = ''; $parser = new Parser($lexer,new Scope(),new Scope()); $parser->parse()->getResult()->generate($result,$gen); echo $result; ``` ***Produces*** ``` jmceohykoa aclohnotga jqegzuklcv ixdbpbgpkl kcyrxqqfyw jcxsjrtrqb kvaczmawlz itwrowxfxh auinmymonl dujyzuhoag vaygybwkfm ``` #### Other examples [](#other-examples) 1. [Australian phone numbers](https://github.com/icomefromthenet/ReverseRegex/blob/master/examples/ausphone.php) 2. [Australian postcodes](https://github.com/icomefromthenet/ReverseRegex/blob/master/examples/auspostcode.php) 3. [Mobile numbers](https://github.com/icomefromthenet/ReverseRegex/blob/master/examples/mobilenumbers.php) \##Installing To install use composer ``` { "require" : { "icomefromthenet/reverse-regex" : "dev-master" } } ``` Writing a Regex --------------- [](#writing-a-regex) 1. Escape all meta-characters i.e. if you need to escape the character in a regex you will need to escape here. 2. Not all meta-characters are suppported see list below. 3. Use `\X{####}` to specify unicode value use `[\X{####}-\X{####}]` to specify range. 4. Unicdoe `\p` not supported, I could not find a port of [UCD](http://www.unicode.org/ucd/) to php, maybe in the future support be added. 5. Quantifiers are applied to left most group, literal or character class. 6. Beware of the `+` and `*` quantifers they apply a possible maxium number of occurances up to `PHP_INT_MAX`. ### Regex Support [](#regex-support) Example Description Resulting String (abcf) Support literals this would generate string `abcf` \\((abcf)\\) Escape meta characters as you normally would in a regex `(abcf)` \[a-z\] Character Classes are supported `a` a{5} Quantifiers supported always **last** group or literal or character class `aaaaa` a{1,5} Range Quantifiers supported `aa` a|b|c Alternation supported pick one of three at random `b` a|(y|d){5} Groups supported with alternation and quantifiers `ddddd` or `a` or `yyyyy` \\d Digit shorthand equ \[0-9\] `1` \\w word character shorthand equ \[a-zA-Z0-9\_\] `j` \\W Non word character shorthand equ \[^a-zA-Z0-9\_\] `j` \\s White space shorthand ASCII only ` ` \\S Non White space shorthand ASCII only `i` . Dot all ASCII characters `$` \* + ? Short hand quantifiers, recommend not use them \\X{00FF}\[\\X{00FF}-\\X{00FF}\] Unicode ranges \\xFF\[\\xFF-\\xFF\] Hex ranges ### Health Score 26 — LowBetter than 43% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity8 Limited adoption so far Community8 Small or concentrated contributor base Maturity59 Maturing project, gaining track record Bus Factor1 Top contributor holds 85% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~61 days Recently: every ~28 days Total 10 Last Release 4406d ago ### Community Maintainers ![](https://www.gravatar.com/avatar/e153edd42a9e2b6205e6d03b551b8e27bb27f9bcf40d1a2ad458c353b438b148?d=identicon)[PepijnSenders](/maintainers/PepijnSenders) --- Top Contributors [![icomefromthenet](https://avatars.githubusercontent.com/u/746782?v=4)](https://github.com/icomefromthenet "icomefromthenet (17 commits)")[![PepijnSenders](https://avatars.githubusercontent.com/u/2052659?v=4)](https://github.com/PepijnSenders "PepijnSenders (3 commits)") --- Tags testinggeneratorregextest data ### Code Quality TestsPHPUnit ### Embed Badge ![Health badge](/badges/pep-reverse-regex/health.svg) ``` [![Health](https://phpackages.com/badges/pep-reverse-regex/health.svg)](https://phpackages.com/packages/pep-reverse-regex) ``` ### Alternatives [icomefromthenet/reverse-regex Convert Regular Expressions into text, for testing 136386.7k12](/packages/icomefromthenet-reverse-regex)[behat/mink Browser controller/emulator abstraction for PHP 1.6k86.1M606](/packages/behat-mink)[infection/infection Infection is a Mutation Testing framework for PHP. 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