mustMatch

The mustMatch validator can be used to check if two different form fields has the same value. For example, a Confirm password should have the same value with the Password field. To validate that, the mustMatch validator can be used.

Usage

Parameters

Name Description
controlPath: string
A dot-delimited string values that define the path to the control.
matchingControlPath: string
A dot-delimited string values that define the path to the matching control.

Because the mustMatch validator requires parameters, it must be used within the validators option of the form builder:

To show an error message on the field, the mat-error element can be used within the mat-form-field: