3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(mb_ereg('^[0-9]+$', "abc\n123\ndef"));
Output for 4.3.4 - 7.1.0
bool(false)
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_ereg() in /in/mbtVl on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_ereg() in /in/mbtVl on line 2