diff --git a/jquery.tablesorter.js b/jquery.tablesorter.js
index c5eabf0..29d7b74 100644
--- a/jquery.tablesorter.js
+++ b/jquery.tablesorter.js
@@ -131,7 +131,8 @@
                 decimal: '/\.|\,/g',
                 onRenderHeader: null,
                 selectorHeaders: 'thead th',
-                debug: false
+                debug: false,
+                thousandsSeparator: ','
             };
 
             /* debuging utils */
@@ -899,7 +900,8 @@
         is: function (s, table) {
             var c = table.config;
             return $.tablesorter.isDigit(s, c);
-        }, format: function (s) {
+        }, format: function (s, table) {
+            s = s.replace(table.config.thousandsSeparator, '');
             return $.tablesorter.formatFloat(s);
         }, type: "numeric"
     });
@@ -908,8 +910,9 @@
         id: "currency",
         is: function (s) {
             return /^[£$€?.]/.test(s);
-        }, format: function (s) {
-            return $.tablesorter.formatFloat(s.replace(new RegExp(/[£$€]/g), ""));
+        }, format: function (s, table) {
+            var regex = new RegExp("[£$€"+table.config.thousandsSeparator+"]", "g");
+            return $.tablesorter.formatFloat(s.replace(regex, ""));
         }, type: "numeric"
     });