3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo preg_replace('/(*UTF32)\b/', '<$0>', 'and рублей');
Output for 5.4.41 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_replace(): Compilation failed: (*VERB) not recognized or malformed at offset 5 in /in/8mBN5 on line 2
Output for hhvm-3.10.0 - 3.12.0
Warning: Compilation failed: (*VERB) not recognized or malformed at offset 5 in /in/8mBN5 on line 2
Output for 4.4.9, 5.2.5 - 5.4.40
Warning: preg_replace(): Compilation failed: (*VERB) not recognized at offset 5 in /in/8mBN5 on line 2
Output for 4.3.11 - 4.4.8, 5.0.0 - 5.2.4
Warning: preg_replace(): Compilation failed: nothing to repeat at offset 1 in /in/8mBN5 on line 2
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: nothing to repeat at offset 1 in /in/8mBN5 on line 2