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<?php $h = "asdasd __asdasd__ frer __ desg df -+ br __"; preg_match_all('/_\_(.*?)_\_/i', $h, $r); $rr = preg_replace('/_\_(.*?)_\_/i', '$$$', $h); print_r($r);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [0] => __asdasd__ [1] => __ desg df -+ br __ ) [1] => Array ( [0] => asdasd [1] => desg df -+ br ) )

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