private static boolean isMatchWildcard(final String key) {
        return !isPathVariable(key) && !isMatchAll(key) && Objects.nonNull(key) && key.contains(WILDCARD);
    }
match wildcard, when the path is /a/b/*, the matched path maybe /a/b/c or /a/b/d and so on.

@param key key
@return match result
shenyu-plugin/shenyu-plugin-base/src/main/java/org/apache/shenyu/plugin/base/trie/ShenyuTrie.java