@take() provides you with the first n characters and @skip() can get you the last n characters (using length()-n).
Thank you for your feedback. We are currently in public preview of static website hosting for Azure Storage to enable this scenario. Check out the blog post here for more details: https://azure.microsoft.com/en-us/blog/azure-storage-static-web-hosting-public-preview. The feature set includes support for default documents and custom error documents for HTTP status code 404.
For any further questions, or to discuss your specific scenario, send us an email at email@example.com.AdminLogic Apps Team (Product Manager, Microsoft Azure) supported this idea ·
The resources blade is a feature of the management portal team. I will move this to their area to add the ability to add more filter options on the resources blade.