Validate an email input in a Canvas Application | PowerApps In this post let us see, how to Validate an email input in a Canvas Application UI Validations helps us to ensure, valid data is received from the End User to complete an operation helps end user to provide right information the validation action depends on the type of the input control for Text Input Control - mostly we go with "OnChange" for check box control - "OnCheck and On uncheck" for Drop Down and Combo Box Controls - "OnChange" or "OnSelect" etc., Now, let us see how can we validate an email input, a phone number input and a name input. How to validate an email input value is valid? We can leverage "Regex" (Regular Expressions) to valid user inputs. Let us consider the Email Input Control Name as - txtEmail.Text. OnChange of this Control let us i