verbalexpressions/php-verbal-expressions

PHP Regular expressions made easy

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Type:project

1.0.0 2018-01-07 23:41 UTC

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Last update: 2024-11-17 14:43:03 UTC


README

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PHPVerbalExpressions

VerbalExpressions is a PHP library that helps to construct hard regular expressions.

Installation

The project supports Composer so you have to install Composer first, before project setup.

$ composer require  verbalexpressions/php-verbal-expressions:dev-master

Examples

<?php
// some tests
require './vendor/autoload.php';
use VerbalExpressions\PHPVerbalExpressions\VerbalExpressions;

$regex = new VerbalExpressions();

$regex->startOfLine()
      ->then("http")
      ->maybe("s")
      ->then("://")
      ->maybe("www.")
      ->anythingBut(" ")
      ->endOfLine();


if ($regex->test("http://github.com")) {
    echo "valid url". '<br>';
} else {
    echo "invalid url". '<br>';
}

if (preg_match($regex, 'http://github.com')) {
    echo 'valid url';
} else {
    echo 'invalid url';
}


echo "<pre>". $regex->getRegex() ."</pre>";

echo $regex->clean(array("modifiers" => "m", "replaceLimit" => 4))
           ->find(' ')
           ->replace("This is a small test http://somesite.com and some more text.", "-");

More examples are available in the following files:

Business readable language expression definition

$definition = 'start, then "http", maybe "s", then "://", maybe "www.", anything but " ", end';
$regex = new VerbalExpressionsScenario($definition);

Methods list

For all the above method (except test) you could use the VerbalExpressionsScenario.

Other Implementations

You can see an up to date list of all ports on VerbalExpressions.github.io.

Building the project and running the tests

The project supports Composer so you have to install Composer first before project setup.

curl -sS https://getcomposer.org/installer | php
php composer.phar install --dev
ln -s vendor/phpunit/phpunit/phpunit.php phpunit
./phpunit