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<?php preg_match( '/Module 2[A-Za-z]/', ' Something Module 2A More things ', $matches,PREG_OFFSET_CAPTURE); print_r($matches);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Array ( [0] => Array ( [0] => Module 2A [1] => 11 ) )