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<?php $t = 'Hi @[4232:mark__MΛRK ATTLEY] how are you ? Hi @[4232:ryan__RYΛN вυηту] how are you ? Hi @[4232:david__DΛVID शाहिद ] how are you ? '; $pattern = "/@\[.*\]/mi"; preg_match_all($pattern, $t, $out, PREG_PATTERN_ORDER); var_dump($out);

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