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<?php @preg_match('not a regex', ''); preg_match('not a regex', '');
Output for 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
Warning: preg_match(): Delimiter must not be alphanumeric, backslash, or NUL in /in/ZGeLF on line 4
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.30
Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/ZGeLF on line 4
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70.17 ms | 407 KiB | 5 Q