3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $value = 0.129; $regexp = '/^[0-9]+(\.[0-9][0-9]?)?$/'; preg_match($regexp, $value, $matches); var_dump($matches);
Output for 4.3.0 - 7.1.0
array(0) { }