@ 2014-05-17T14:18:29Z <?php
preg_match( '/^\[#(\d+)\]/', '[#1234]fdfasdfsdf', $matches);
echo $matches[0]; // 1234
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Output for 4.3.0 - 4.3.11 , 4.4.0 - 4.4.9 , 5.0.0 - 5.0.5 , 5.1.1 - 5.1.6 , 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.40 , 7.0.0 - 7.0.33 , 7.1.0 - 7.1.33 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.33 , 7.4.0 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 [#1234] Output for 5.1.0 <br />
<b>Fatal error</b>: fatal flex scanner internal error--end of buffer missed in <b>/in/1iYqH</b> on line <b>3</b><br />
Process exited with code 255 . preferences:dark mode live preview
294.55 ms | 401 KiB | 460 Q