directive
A directive that adds regex pattern validation to controls marked with the pattern
attribute. The regex must match the entire control value. The directive is provided with the NG_VALIDATORS
multi-provider list.
[pattern][formControlName]
[pattern][formControl]
[pattern][ngModel]
Property | Description |
---|---|
@Input()pattern: string | RegExp | Tracks changes to the pattern bound to this directive. |
The following example shows how to add a pattern validator to an input attached to an ngModel binding.
<input name="firstName" ngModel pattern="[a-zA-Z ]*">
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Licensed under the Creative Commons Attribution License 4.0.
https://v10.angular.io/api/forms/PatternValidator