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<?php $replace="Yuqi Building Contractor & Trading Pte Ltd"; echo preg_replace("/[^A-Za-z0-9 ]/u[^A-Za-z0-9 ]/", '', $replace); ?>
Output for 4.3.11 - 7.1.0
Warning: preg_replace(): Unknown modifier '[' in /in/1r4C3 on line 3
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '[' in /in/1r4C3 on line 3