diff --git a/js/localization/number.js b/js/localization/number.js
index 6e8d721de957..dcb8fc148bc3 100644
--- a/js/localization/number.js
+++ b/js/localization/number.js
@@ -242,9 +242,9 @@ var numberLocalization = dependencyInjector({
             return 1;
         }
 
-        var negativeEtalon = this.format(-1, format),
-            separators = this._getSeparators(),
+        var separators = this._getSeparators(),
             regExp = new RegExp("[0-9" + escapeRegExp(separators.decimalSeparator + separators.thousandsSeparator) + "]+", "g"),
+            negativeEtalon = this.format(-1, format).replace(regExp, "1"),
             cleanedText = text.replace(regExp, "1");
 
         return cleanedText === negativeEtalon ? -1 : 1;
diff --git a/testing/tests/DevExpress.localization/localization.base.tests.js b/testing/tests/DevExpress.localization/localization.base.tests.js
index 4ba300077b2a..3ea7ffcf4f3d 100644
--- a/testing/tests/DevExpress.localization/localization.base.tests.js
+++ b/testing/tests/DevExpress.localization/localization.base.tests.js
@@ -718,6 +718,10 @@ QUnit.test("parse: test starts with not digit symbols", function(assert) {
     assert.equal(numberLocalization.parse("1.2 руб."), 1.2);
 });
 
+QUnit.test("parse: test different negative format", function(assert) {
+    assert.equal(numberLocalization.parse("<<1.0>>", "#0.00;<<#0.00>>"), -1);
+});
+
 QUnit.test('Fixed point numeric formats', function(assert) {
     assert.equal(numberLocalization.format(23.04059872, { type: "fIxedPoint", precision: 4 }), '23.0406');
     assert.equal(numberLocalization.format(23.04059872, "fIxedPoint"), "23");
@@ -870,7 +874,7 @@ QUnit.test("date", function(assert) {
 
 QUnit.test("'no parser' errors", function(assert) {
     var numberFormatter = function(value) {
-            return 1;
+            return "1";
         },
         dateFormatter = function(value) {
             return new Date(0, 0, 1);