Regular expression for email. You shouldn't use RegExp for validating values. Use it only for hinting to the user.
$ npm install types-regex
import {emailRegex} from 'types-regex';
emailRegex.test('dev+bob@gmail.com');
// => true
import {phoneRegex} from 'types-regex';
phoneRegex.test('01012345678');
// => true
import {domainRegex} from 'types-regex';
// if doesn't include params
domainRegex.dom.test('www.devbob.com');
// => true
// if include params
domainRegex.dom.test('www.devbob.com?email=devbob@gmail.com');
// => true
import {phoneFormChange} from 'types-regex';
phoneFormChange('01012345678');
// => 010-1234-5678