Dec 2023 I uploaded a new version of this video using the v2 trigger. Supports single or multiple uploads.
   • Power Apps Upload File v2 to SharePoi...  

In this video, you will learn how to upload a file directly to a SharePoint Document Library. No crazy complex code, finally a straightforward way to save all files into SharePoint without a bunch of shenanigans.

Link to attachment control video    • PowerApps Attachment Control  Upload...  

Link to string manipulation video    • PowerApps Tutorial  PowerApps String...  

Link to Ramerio on Twitter   / ohthreesixfive  

Link to PowerApps training and curated library where you can download from https://training.PowerApps911.com