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<?php $string = 'entity:node/4d90bd7c-2669-4d76-b808-9ad839241dd8'; preg_match('^entity\//[a-f0-9]{8}\-[a-f0-9]{4}\-4[a-f0-9]{3}\-(8|9|a|b)[a-f0-9]{3}\-[a-f0-9]{12}/', $string, $m); print_r($m);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_match(): No ending delimiter '^' found in /in/anLif on line 6

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