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run code in 200+ php & hhvm versions
Bugs & Features
<?php echo preg_match('/^api(?:[^.]*)\.kabeldeutschland\.de$/', '/api?:123.kabeldeutschland.de'); echo preg_match('(?:[^.]*3)', '1 3');
Output for 4.3.11 - 7.2.0
0 Warning: preg_match(): Compilation failed: nothing to repeat at offset 0 in /in/QmUfX on line 3
Output for 4.3.0 - 4.3.10
0 Warning: Compilation failed: nothing to repeat at offset 0 in /in/QmUfX on line 3