3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $routes = [ '/path/(\d+)/new/upload$', '/path/selectable_ajax_placements/(\w+)/(\d+)', '/path/anotherpath/to/(\d+)/from/([\d\-\_]+)/to/([\d\-\_]+)$', '/path/list$', ]; foreach ($routes as $route) { echo preg_replace('#/([^/$]*?[^/a-z0-9_\-][^/$]*)(?=/|$|\$)#i', '/<regex>', $route), "\n"; }
Output for 5.4.0 - 7.1.0
/path/<regex>/new/<regex> /path/selectable_ajax_placements/<regex>/<regex> /path/anotherpath/to/<regex>/from/<regex>/to/<regex>$ /path/<regex>
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/fDA4u on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/fDA4u on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/fDA4u on line 3
Process exited with code 255.