Pattern p = Pattern.compile("[\ud83c\udc00-\ud83c\udfff]|[\ud83d\udc00-\ud83d\udfff]|[\u2600-\u27ff]",Pattern.UNICODE_CASE|Pattern.CASE_INSENSITIVE);
Matcher m =&nbs
koa deprecated Support for generators will been removed in v3. See the
documentation for examples of how to convert old middleware https://github.com/koajs/koa/tree/v2.x#old-signature-middleware-v1x-