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<?php $regex = '/\{link ([0-9]+)/'; $subject = 'Hello World! {link 123456#abc}TEST{/link} Bla!'; echo preg_replace_callback($regex, function (array $matches) { return $matches[1] . 'ABC'; }, $subject);
Output for git.master, git.master_jit, rfc.property-hooks
Hello World! 123456ABC#abc}TEST{/link} Bla!

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