Client-Side Fields Validation in Mode-Driven Power Apps Using JavaScript: 8 Use Cases Demonstrated

Опубликовано: 18 Февраль 2026
на канале: Ahmed Salih
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Here is the Blog post:https://powerplatformplace.com/blog/f...

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Client-Side Fields Validation in Mode-Driven Power Apps Using JavaScript: 8 Use Cases Demonstrated

In Mode-Driven Power Apps, Dataverse tables and forms play a crucial role. While Out-of-the-Box (OOB) Business rules are handy, they might not always suit more complex logic requirements. Custom logic validation using JavaScript is often the go-to solution.
This blog post will explore 8 specific use cases where regular expressions can be applied to validate user inputs in the Dataverse tables' form fields. Additionally, we will discuss a solution I built that will help you generate the necessary JavaScript, and we will demonstrate how to attach JavaScript web resources to the fields that require validation. (Watch the Tutorial Video)