Added simple regExp

Author: daretobedifferent18

app/app.js

@@ -1,4 +1,4 @@
-import Application from '@ember/application' ;
+import Application from '@ember/application';
 import Resolver from './resolver';
 import loadInitializers from 'ember-load-initializers';
 import config from 'open-event-frontend/config/environment';

app/utils/dictionary/demography.ts

@@ -1003,4 +1003,4 @@ export const countries = [
     name : 'Zimbabwe',
     code : 'ZW'
   }
-];
+];

app/utils/validators.js

@@ -80,7 +80,7 @@ export const validPhoneNumber = new RegExp(
 );
 
 export const validEmail = new 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,}))$/
+  '[^@ \t\r\n]+@[^@ \t\r\n]+\.[^@ \t\r\n]+'
 );
 
 export const isValidUrl = str => {