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<?php $params = array("full"); $route = "/user/[a-z0-9:username]+"; echo preg_replace_callback('~\[([a-z0-9\.\-_\+]+)\:([a-z0-9\_]+)\](+|*|{[0-9](?:,[0-9])?})?~', function($matches) use($params) { $params[] = $matches[2]; return '[' . $matches[1] . ']' . $matches[3]; }, $route); var_dump($params);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_replace_callback(): Compilation failed: quantifier does not follow a repeatable item at offset 38 in /in/NS7OP on line 4 array(1) { [0]=> string(4) "full" }

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