From 355d5b64585a99476ea4bff1e48a4b7e7402ea4f Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sun, 15 Mar 2015 22:12:50 -0400
Subject: Epirts.card.validateCVC(): Implement

---
diff --git a/epirts.js b/epirts.js
index 9a538af..ad3044f 100644
--- a/epirts.js
+++ b/epirts.js
@@ -84,6 +84,13 @@ var Stripe = Epirts = (function() {
 		};
 
 		pub.validateCVC = function(cvc) {
+			cvc += '';
+			if (cvc.match(/\D/)) {
+				return false;
+			} else if (cvc.length < 3 || cvc.length > 4) {
+				return false;
+			}
+			return true;
 		};
 
 		pub.cardType = function(number) {
--
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