1<!--
2@license
3Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
4This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
5The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
6The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
7Code distributed by Google as part of the polymer project is also
8subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
9-->
10
11<link rel="import" href="../../polymer/polymer.html">
12<link rel="import" href="../../iron-validator-behavior/iron-validator-behavior.html">
13
14<script>
15  Polymer({
16    is: 'ssn-validator',
17
18    behaviors: [
19      Polymer.IronValidatorBehavior
20    ],
21
22    validate: function(value) {
23      // this regex validates incomplete ssn's (by design)
24      return !value || value.match(/^[0-9]{0,3}-[0-9]{0,2}-[0-9]{0,4}$/);
25    }
26  });
27</script>
28