import { FormControl } from '@angular/forms' ; export class BasicValidators { static email ( control ) { let EMAIL_REGEXP = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/ ; return EMAIL_REGEXP . test ( control . value ) ? null : { validateEmail : { valid : false } } ; } }