PatternValidator
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.
See also
Exported from
Selectors
[pattern][formControlName][pattern][formControl][pattern][ngModel]
Properties
| Property | Description |
|---|---|
@Input()
|
Tracks changes to the pattern bound to this directive. |
Description
Adding a pattern validator
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 ]*">