Class Overview
class PatternValidator implements Validator,
pattern
: string
ngOnChanges
(changes: SimpleChanges) : void
validate
(c: AbstractControl) : {[key: string]: any}
registerOnValidatorChange
(fn: () => void) : void
}
Selectors
[pattern][formControlName]
[pattern][formControl]
[pattern][ngModel]
Class Description
A Directive that adds the pattern
validator to any controls marked with the
pattern
attribute, via the NG_VALIDATORS
binding. Uses attribute value
as the regex to validate Control value against. Follows pattern attribute
semantics; i.e. regex must match entire Control value.
Example
Class Details
exported from @angular/forms/index, defined in @angular/forms/src/directives/validators.ts