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<?php $str = "Two 9-dram clear styrene tubes with snap-on caps, 1 x 2-3/4? I.D. (25.2 x 68mm), are supplied as containers. Additional or replacement tubes #8909 are available. As a safety precaution, BioQuip recommends using the #1135Y HEPA filter with this aspirator. Also see #1135X aspirator syringe bulb. It allows users to aspirate specimens without inhaling particulate matter."; $ids=[]; $a = explode("#",$str); array_shift($a); $ids = array_map(function($e) { return explode(" ",$e)[0]; },$a); print_r($ids);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 8909 [1] => 1135Y [2] => 1135X )

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