Validation

​​​​​​Set of properties to establish a specific validation rule.

Interface

interface IValidation {
  required: boolean;
  expression?: string | RegExp;
  expressionErrorMessage?: string | ILocales;
  minLength?: number;
}

Properties

required

Indicates if the field is required.

• Type: boolean

• Required: Yes

expression

Regular expression to perform validation.

• Type: string | RegExp

• Required: No

• Example:

"expression": "/^[^0-9]+$/"

expressionErrorMessage

Error message that will be displayed only if the regular expression is not met.

• Type: string |Locales

• Required: No

• Example:

"expressionErrorMessage": {
  "en-US": "You can not use numbers in this field",
  "es-ES": "No puedes usar numeros en este campo"
}

minLength

Specifies the minimum length that the field must have.

• Type: number

• Required: No

• Example:

"minLength": 5