notInList

The value must not be one of the given strings (strict membership via Array.includes).

Signature

NguardValidators.String.notInList(...values: string[]): ValidatorFn

Parameter	Type	Description
...values	string[]	The disallowed values

Reactive forms

import { FormControl } from '@angular/forms';
import { NguardValidators } from 'ng-nguard';

new FormControl('', [NguardValidators.String.notInList('admin', 'root')]);

Template-driven forms

<input ngModel name="username" [nguardStringNotInList]="['admin', 'root']" />
<input ngModel name="username" [nguardStringNotInList]="'admin'" />

Error key

{ notInList: true }

Notes

• Strict comparison — a value of a different type is considered "not in the list" and passes.

See also

• inList — allowed values