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MaxLengthValidator

directive

A directive that adds max length validation to controls marked with the maxlength attribute. The directive is provided with the NG_VALIDATORS multi-provider list.

See also

NgModules

Selectors

Properties

Property Description
@Input()maxlength: string | number

Tracks changes to the the maximum length bound to this directive.

Description

Adding a maximum length validator

The following example shows how to add a maximum length validator to an input attached to an ngModel binding.

<input name="firstName" ngModel maxlength="25">

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Licensed under the Creative Commons Attribution License 4.0.
https://angular.io/api/forms/MaxLengthValidator