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<?php $content = <<<CONTENT M18.r_16981 = { "ltt": '2018/06/21 11:43', "np": '0.050', "iep": '0.000', "iev": '0', "ltp": '0.050', "vol": '940000', "tvr": '49860', "dyh": '0.060', "dyl": '0.049' }; CONTENT; preg_match("/(?<=vol\": ').*(?=',\s*\"tvr)/", $content, $output_array); print_r(array_values($output_array));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 940000 )

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