diff --git a/js/tests/ecma_2/String/match-002.js b/js/tests/ecma_2/String/match-002.js
index 2e5ac8254a3..83ac2fa4bde 100644
--- a/js/tests/ecma_2/String/match-002.js
+++ b/js/tests/ecma_2/String/match-002.js
@@ -46,12 +46,12 @@
                           "/([\d]{5})([-\ ]?[\d]{4})?$/",
                           "Boston, Mass. 02134",
                           14,
-                          ["02134", "02134"]);
+                          ["02134", "02134", undefined]);
 
     AddGlobalRegExpCases( /([\d]{5})([-\ ]?[\d]{4})?$/g,
                           "/([\d]{5})([-\ ]?[\d]{4})?$/g",
                           "Boston, Mass. 02134",
-                          ["02134", ]);
+                          ["02134"]);
 
     // set the value of lastIndex
     re = /([\d]{5})([-\ ]?[\d]{4})?$/;
@@ -63,7 +63,7 @@
                      "re = /([\d]{5})([-\ ]?[\d]{4})?$/; re.lastIndex =0",
                      s,
                      s.lastIndexOf("0"),
-                     ["02134", "02134"]);
+                     ["02134", "02134", undefined]);
 
 
     re.lastIndex = s.length;
@@ -73,7 +73,7 @@
                     s.length,
                     s,
                     s.lastIndexOf("0"),
-                    ["02134", "02134"] );
+                    ["02134", "02134", undefined] );
 
     re.lastIndex = s.lastIndexOf("0");
 
@@ -82,7 +82,7 @@
                     s.lastIndexOf("0"),
                     s,
                     s.lastIndexOf("0"),
-                    ["02134", "02134"]);
+                    ["02134", "02134", undefined]);
 
     re.lastIndex = s.lastIndexOf("0") + 1;
 
@@ -91,7 +91,7 @@
                     s.lastIndexOf("0") +1,
                     s,
                     s.lastIndexOf("0"),
-                    ["02134", "02134"]);
+                    ["02134", "02134", undefined]);
 
     test();
 
diff --git a/js/tests/ecma_3/RegExp/regress-31316.js b/js/tests/ecma_3/RegExp/regress-31316.js
index 350ef1afd92..b68e42a9503 100644
--- a/js/tests/ecma_3/RegExp/regress-31316.js
+++ b/js/tests/ecma_3/RegExp/regress-31316.js
@@ -45,7 +45,7 @@ status = inSection(1);
 pattern = /<([^\/<>][^<>]*[^\/])>|<([^\/<>])>/;
 string = '<p>Some<br />test</p>';
 actualmatch = string.match(pattern);
-expectedmatch = Array('<p>', cnEmptyString, 'p');
+expectedmatch = Array('<p>', undefined, 'p');
 addThis();
 
 
diff --git a/js/tests/ecma_3/RegExp/regress-57572.js b/js/tests/ecma_3/RegExp/regress-57572.js
index 8b766e4f309..c4842af16d6 100644
--- a/js/tests/ecma_3/RegExp/regress-57572.js
+++ b/js/tests/ecma_3/RegExp/regress-57572.js
@@ -59,7 +59,7 @@ status = inSection(3);
 pattern = /(\S+)????(.*)/;
 string= 'Test this';
 actualmatch = string.match(pattern);
-expectedmatch = Array(string, cnEmptyString, string);
+expectedmatch = Array(string, undefined, string);
 addThis();
 
 status = inSection(4);
diff --git a/js/tests/ecma_3/RegExp/regress-87231.js b/js/tests/ecma_3/RegExp/regress-87231.js
index 03ad8edc80b..7fde4ff2f64 100644
--- a/js/tests/ecma_3/RegExp/regress-87231.js
+++ b/js/tests/ecma_3/RegExp/regress-87231.js
@@ -69,7 +69,7 @@ pattern = /^(A)?(A.*)$/;
     status = inSection(3);
     string = 'A';
     actualmatch = string.match(pattern);
-    expectedmatch = Array('A', cnEmptyString, 'A'); // 'altruistic' case: see above
+    expectedmatch = Array('A', undefined, 'A'); // 'altruistic' case: see above
     addThis();
 
 
@@ -92,7 +92,7 @@ var strR = 'aaAAaaaf;lrlrzs';
     status = inSection(6);
     string =  strL + 'A' + strR;
     actualmatch = string.match(pattern);
-    expectedmatch = Array('A' + strR, cnEmptyString, 'A' + strR); // 'altruistic' case: see above
+    expectedmatch = Array('A' + strR, undefined, 'A' + strR); // 'altruistic' case: see above
     addThis();
 
 
diff --git a/js/tests/js1_2/regexp/vertical_bar.js b/js/tests/js1_2/regexp/vertical_bar.js
index f45b5f1acc7..39b428ad75f 100644
--- a/js/tests/js1_2/regexp/vertical_bar.js
+++ b/js/tests/js1_2/regexp/vertical_bar.js
@@ -64,7 +64,7 @@
 
     // 'Hi Bob'.match(new RegExp('(Rob)|(Bob)|(Robert)|(Bobby)'))
 	testcases[count++] = new TestCase ( SECTION, "'Hi Bob'.match(new RegExp('(Rob)|(Bob)|(Robert)|(Bobby)'))",
-	                                    String(["Bob","","Bob"]), String('Hi Bob'.match(new RegExp('(Rob)|(Bob)|(Robert)|(Bobby)'))));
+	                                    String(["Bob",undefined,"Bob", undefined, undefined]), String('Hi Bob'.match(new RegExp('(Rob)|(Bob)|(Robert)|(Bobby)'))));
 
     // 'abcdef'.match(new RegExp('abc|bcd|cde|def'))
 	testcases[count++] = new TestCase ( SECTION, "'abcdef'.match(new RegExp('abc|bcd|cde|def'))",
@@ -72,7 +72,7 @@
 
     // 'Hi Bob'.match(/(Rob)|(Bob)|(Robert)|(Bobby)/)
 	testcases[count++] = new TestCase ( SECTION, "'Hi Bob'.match(/(Rob)|(Bob)|(Robert)|(Bobby)/)",
-	                                    String(["Bob","","Bob"]), String('Hi Bob'.match(/(Rob)|(Bob)|(Robert)|(Bobby)/)));
+	                                    String(["Bob",undefined,"Bob", undefined, undefined]), String('Hi Bob'.match(/(Rob)|(Bob)|(Robert)|(Bobby)/)));
 
     // 'abcdef'.match(/abc|bcd|cde|def/)
 	testcases[count++] = new TestCase ( SECTION, "'abcdef'.match(/abc|bcd|cde|def/)",