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run code in 150+ php & hhvm versions
Bugs & Features
<?php $regex = '/foo.*(bar(*SKIP)(*FAIL)|.)*$/'; var_dump(preg_match($regex, 'foobar')); var_dump(preg_match($regex, 'foobat')); var_dump(preg_match($regex, 'foogbar'));
Output for 4.4.9, 5.2.5 - 7.1.0
int(1) int(1) int(1)
Output for 4.3.11 - 4.4.8, 5.0.0 - 5.2.4
Warning: preg_match(): Compilation failed: nothing to repeat at offset 10 in /in/8Mlpf on line 5 bool(false) Warning: preg_match(): Compilation failed: nothing to repeat at offset 10 in /in/8Mlpf on line 6 bool(false) Warning: preg_match(): Compilation failed: nothing to repeat at offset 10 in /in/8Mlpf on line 7 bool(false)
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: nothing to repeat at offset 10 in /in/8Mlpf on line 5 bool(false) Warning: Compilation failed: nothing to repeat at offset 10 in /in/8Mlpf on line 6 bool(false) Warning: Compilation failed: nothing to repeat at offset 10 in /in/8Mlpf on line 7 bool(false)