@ 2014-01-19T13:31:38Z <?php
preg_match( '/^\[#(\d+)\/', '[#1234] Subject', $matches);
echo $matches[1]; // 1234
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Output for 8.3.0 - 8.3.6 Warning: preg_match(): No ending delimiter '/' found in /in/C0Iuh on line 2
Warning: Trying to access array offset on null in /in/C0Iuh on line 3
Output for 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 Warning: preg_match(): No ending delimiter '/' found in /in/C0Iuh on line 2
Warning: Trying to access array offset on value of type null in /in/C0Iuh on line 3
Output for 7.4.0 - 7.4.25 , 7.4.27 - 7.4.33 Warning: preg_match(): No ending delimiter '/' found in /in/C0Iuh on line 2
Notice: Trying to access array offset on value of type null in /in/C0Iuh on line 3
Output for 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 - 5.6.28 , 7.0.0 - 7.0.20 , 7.1.0 - 7.1.10 , 7.2.29 - 7.2.33 , 7.3.12 - 7.3.33 , 7.4.26 Warning: preg_match(): No ending delimiter '/' found in /in/C0Iuh on line 2
Output for 4.3.11 , 4.4.0 - 4.4.9 , 5.0.0 - 5.0.5 , 5.1.1 - 5.1.6 Warning: preg_match(): No ending delimiter '/' found in /in/C0Iuh on line 2
Notice: Undefined offset: 1 in /in/C0Iuh on line 3
Output for 5.1.0 Fatal error: fatal flex scanner internal error--end of buffer missed in /in/C0Iuh on line 3
Process exited with code 255 . Output for 4.3.0 - 4.3.10 Warning: No ending delimiter '/' found in /in/C0Iuh on line 2
Notice: Undefined offset: 1 in /in/C0Iuh on line 3
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250.49 ms | 401 KiB | 353 Q