Angular - email validation service, provide it and call with the email to check, return true /false according.

email-validation.service.ts

import {Injectable} from "@angular/core";

@Injectable()
export class EmailValidationService {
    private regex: any = /^[a-zA-Z0-9.!#$%&’*+\/=?^_`{|}~-]+@[a-zA-Z0-9-]+((?:\.){1}[a-zA-Z0-9-]+)$/;
    private isEmailValid = false;
    constructor() {}
    getEmailValidity(email) {
        if (email && email.match(this.regex)) {
            return this.isEmailValid = true;
        } else {
            return this.isEmailValid = false;
        }
    }
}