feat: move internal regular expressions to static properties (#5384)

src/structures/Invite.js

@@ -191,4 +191,10 @@ class Invite extends Base {
   }
 }
 
+/**
+ * Regular expression that globally matches Discord invite links
+ * @type {RegExp}
+ */
+Invite.INVITES_PATTERN = /discord(?:(?:app)?\.com\/invite|\.gg(?:\/invite)?)\/([\w-]{2,255})/gi;
+
 module.exports = Invite;