3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $regex = '([^a]*)*a\\{'; $test_string = 'AAAAAAAAAAAAAA{AA'; echo "1:".mb_ereg_replace('/'.$regex.'/','WORKED',$test_string)."\n"; echo "2:".preg_replace('/'.$regex.'/u','WORKED',$test_string)."\n"; echo "3:".preg_replace('/'.$regex.'/','WORKED',$test_string)."\n";
Output for 4.3.4 - 5.1.6, 5.3.7 - 7.3.0rc4
1:AAAAAAAAAAAAAA{AA 2:AAAAAAAAAAAAAA{AA 3:AAAAAAAAAAAAAA{AA
Output for 5.2.0 - 5.3.6
1:AAAAAAAAAAAAAA{AA 2: 3:
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_ereg_replace() in /in/Gg1WV on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_ereg_replace() in /in/Gg1WV on line 4