Angular 5 Date Validation (accepted min and max)

manpreet Best Answer 2 years ago

_x000D_ Use as following to validate the date by using custom function. HTML Component : validation while buiding form group this.myFormGroup = this.formBuilder.group({ 'myDate': new FormControl('myDateVal', [Validators.required, isValidDate]), }); Utility Method to validate date. export const isValidDate = (c: FormControl) => { const DATE_REGEXP = /^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])$/; return DATE_REGEXP.test(c.value) || c.value === '' ? null : { validateEmail: { valid: false } }; }