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<?php $str = '$str1var ="str1"; $str2var = "str2"'; $pattern = '/\$(.*?)=/s'; preg_match_all($pattern, $str, $output_array); var_dump($output_array);
Output for 4.3.0 - 7.1.0
array(2) { [0]=> array(2) { [0]=> string(10) "$str1var =" [1]=> string(10) "$str2var =" } [1]=> array(2) { [0]=> string(8) "str1var " [1]=> string(8) "str2var " } }