3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $subject = "http://directory.google.com/Category/Subcategory/Another_Subcategory"; $pattern = "directory\.google\.com/[A-Z][a-zA-Z_/]+$"; preg_match_all($pattern, $subject, $matches, PREG_PATTERN_ORDER); print_r($matches);
Output for 5.2.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match_all(): Delimiter must not be alphanumeric or backslash in /in/AuSLl on line 4
Output for hhvm-3.10.0 - 3.12.0
Warning: Delimiter must not be alphanumeric or backslash in /in/AuSLl on line 4
Output for 4.3.11 - 5.1.6
Warning: preg_match_all(): Delimiter must not be alphanumeric or backslash in /in/AuSLl on line 4 Array ( )
Output for 4.3.0 - 4.3.10
Warning: Delimiter must not be alphanumeric or backslash in /in/AuSLl on line 4 Array ( )