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<?php $re = '/(?<=<@!).+?(?=>)/m'; $str = "Hey <@!123456789> thanks for that, I'll get back to you sooon."; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); // flatten the array result (otherwise it's an array of arrays) $matches = array_merge(...$matches); // Print the entire match result print_r($matches); //Array ( [0] => 123456789 )
Output for git.master_jit, rfc.property-hooks, git.master
Array ( [0] => 123456789 )

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