PHP code example of gobie / regex

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

gobie / regex example snippets

use Gobie\Regex\Wrappers\Pcre\PcreRegex;
use Gobie\Regex\Wrappers\Pcre\PcreRegexException;

// matching
if (PcreRegex::match($pattern, $subject)) {
    // do something
}

// matching and parsing
if ($matches = PcreRegex::get($pattern, $subject)) {
    // do something with $matches
}

// replace with callback
if ($res = PcreRegex::replace($pattern, $callback, $subject)) {
    // do something with $res
}

// error handling
try {
    // matching and parsing
    if ($matches = PcreRegex::getAll($pattern, $subject)) {
        // do something with $matches
    }
} catch (PcreRegexException $e) {
    // handle error
}

use Gobie\Regex\Wrappers\Mb\MbRegex;

// greping
if ($res = MbRegex::grep($pattern, $subject)) {
    // do something with $res
}

// splitting
if ($res = MbRegex::split($pattern, $subject)) {
    // do something with $res
}

if (preg_match($pattern, $subject, $matches)) {
    // do something with $matches if used at all
}

set_error_handler(function () {
    // deal with compilation error
});

if (preg_match($pattern, $subject, $matches)) {
    // do something with $matches if used at all
}

restore_error_handler();

if (preg_last_error()) {
    // deal with runtime error
}

if ($res = preg_replace_callback($pattern, $callback, $subject)) {
    // do something with $res
}

set_error_handler(function () {
    // deal with compilation error
});

preg_match($pattern, '');

restore_error_handler();

$res = preg_replace_callback($pattern, $callback, $subject);

if ($res === null && preg_last_error()) {
    // deal with runtime error
}

$regex = new RegexFacade(RegexFacade::PCRE);
if ($regex->match($pattern, $subject)) {
    // do something
}

// is equivalent to

if (PcreRegex::match($pattern, $subject)) {
    // do something
}

class MyErrorHandlingPcreRegex extends PcreRegex
{
    protected static function setUp($pattern)
    {
        set_error_handler(function ($_, $errstr) use ($pattern) {
            static::tearDown(); // or restore_error_handler() for PHP 5.3
            trigger_error($errstr . '; ' . $pattern, E_USER_WARNING);
        });
    }

    protected static function handleError($pattern)
    {
        if ($error = preg_last_error()) {
            trigger_error(PcreRegexException::$messages[$error] . '; ' . $pattern, E_USER_WARNING);
        }
    }
}

class NoErrorHandlingPcreRegex extends PcreRegex
{
    protected static function setUp($pattern) {}
    protected static function tearDown() {}
    protected static function handleError($pattern) {}
}