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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."; $pat = "/#(\w+)/"; if ( preg_match_all($pat,$str,$matches)) { $popped = array_pop($matches); list( $alpha, $beta, $gamma) = $popped; echo "The IDs are as follows:\n\n$alpha\n$beta\n$gamma\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
The IDs are as follows: 8909 1135Y 1135X

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