Allow hypen in domain name of email address for ChromeOS users UI.

chrome/browser/resources/options/chromeos_accounts_user_name_edit.js

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.define('options.accounts', function() {
   const Event = cr.Event;
 
   // Email alias only, assuming it's a gmail address.
   //   e.g. 'john'
   //        {name: 'john', email: 'john@gmail.com'}
   const format1String =
       '^\\s*([\\w\\.!#\\$%&\'\\*\\+-\\/=\\?\\^`\\{\\|\\}~]+)\\s*$';
   // Email address only.
   //   e.g. 'john@chromium.org'
   //        {name: 'john', email: 'john@chromium.org'}
   const format2String =
-      '^\\s*([\\w\\.!#\\$%&\'\\*\\+-\\/=\\?\\^`\\{\\|\\}~]+)@(\\w+\\..+)\\s*$';
+      '^\\s*([\\w\\.!#\\$%&\'\\*\\+-\\/=\\?\\^`\\{\\|\\}~]+)@' +
+      '([A-Za-z0-9\-]{2,63}\\..+)\\s*$';
   // Full format.
   //   e.g. '"John Doe" <john@chromium.org>'
   //        {name: 'John doe', email: 'john@chromium.org'}
   const format3String =
-      '^\\s*"{0,1}([^"]+)"{0,1}\\s*<([^@]+@\\w+\\..+)>\\s*$';
+      '^\\s*"{0,1}([^"]+)"{0,1}\\s*' +
+      '<([\\w\\.!#\\$%&\'\\*\\+-\\/=\\?\\^`\\{\\|\\}~]+@' +
+      '[A-Za-z0-9\-]{2,63}\\..+)>\\s*$';
 
   /**
    * Creates a new user name edit element.
    * @param {Object=} opt_propertyBag Optional properties.
    * @constructor
    * @extends {HTMLInputElement}
    */
   var UserNameEdit = cr.ui.define('input');
 
   UserNameEdit.prototype = {
@@ skipping 79 matching lines @@
         this.select();
       }
     }
   };
 
   return {
     UserNameEdit: UserNameEdit
   };
 });