3v4l.org

run code in 300+ PHP versions simultaneously
<?php $original = "original"; $generatedPath = array( "/^(?!".$original."$).+$/", '/^(?![0-9]_[0-9]*x[0-9]*$).+$/' ); $test = array('products', 'categories', 'original', '1_22x44','1_22x44a'); foreach ($test as $t) { foreach($generatedPath as $pattern) { if(preg_match($pattern, $t)) { echo $pattern.' : '.$t ."\r\n"; } } }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
/^(?!original$).+$/ : products /^(?![0-9]_[0-9]*x[0-9]*$).+$/ : products /^(?!original$).+$/ : categories /^(?![0-9]_[0-9]*x[0-9]*$).+$/ : categories /^(?![0-9]_[0-9]*x[0-9]*$).+$/ : original /^(?!original$).+$/ : 1_22x44 /^(?!original$).+$/ : 1_22x44a /^(?![0-9]_[0-9]*x[0-9]*$).+$/ : 1_22x44a
preferences:
214.46 ms | 406 KiB | 353 Q