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<?php $text = "150|google.com/|2500\n600|hello_world|1500"; if (preg_match('~\A([0-9]+\|\S*\|[0-9]+)(?:\R(?1))*\z~', $text)){ echo "Valid!"; }
Output for rfc.property-hooks, git.master, git.master_jit
Valid!

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