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<?php $str = '$str1var ="str1"; $str2var = "str2"'; $pattern = '/\$(?P<variable>.*?)(?:|\s)=(?:\s|)"(?P<value>.*?)"/'; preg_match($pattern, $str, $output_array); var_dump($output_array);
Output for git.master, git.master_jit, rfc.property-hooks
array(5) { [0]=> string(16) "$str1var ="str1"" ["variable"]=> string(7) "str1var" [1]=> string(7) "str1var" ["value"]=> string(4) "str1" [2]=> string(4) "str1" }

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