PatternValidator

Stable Directive

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

<input [name]="fullName" pattern="[a-zA-Z ]*" ngModel>

Class Details

pattern : string

ngOnChanges(changes: SimpleChanges) : void

validate(c: AbstractControl) : {[key: string]: any}

registerOnValidatorChange(fn: () => void) : void

exported from @angular/forms/index, defined in @angular/forms/src/directives/validators.ts