From cd5597db4b78f7116819f41faadce6224656caab Mon Sep 17 00:00:00 2001
From: Lode Claassen <lode@alsvanzelf.nl>
Date: Sun, 23 Oct 2016 10:54:50 +0200
Subject: [PATCH] fix firefox not sorting when format contains spaces or colons

---
 sorting/datetime-moment.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sorting/datetime-moment.js b/sorting/datetime-moment.js
index c9cdded6..972bc0b5 100644
--- a/sorting/datetime-moment.js
+++ b/sorting/datetime-moment.js
@@ -54,7 +54,8 @@ $.fn.dataTable.moment = function ( format, locale ) {
 	} );
 
 	// Add sorting method - use an integer for the sorting
-	types.order[ 'moment-'+format+'-pre' ] = function ( d ) {
+	var formatKey = format.replace(/[^a-zA-Z0-9-]/g, '-');
+	types.order[ 'moment-'+formatKey+'-pre' ] = function ( d ) {
 		if ( d ) {
 			// Strip HTML tags and newline characters if possible
 			if ( d.replace ) {