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diff --git a/tests/auto/qml/parserstress/tests/ecma_3/RegExp/regress-187133.js b/tests/auto/qml/parserstress/tests/ecma_3/RegExp/regress-187133.js
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index 0000000000..98ec4753bf
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+++ b/tests/auto/qml/parserstress/tests/ecma_3/RegExp/regress-187133.js
@@ -0,0 +1,142 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is JavaScript Engine testing utilities.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corp.
+ * Portions created by the Initial Developer are Copyright (C) 2003
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   ji_bo@yahoo.com, pschwartau@netscape.com
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*
+ *
+ * Date:    06 January 2003
+ * SUMMARY: RegExp conformance test
+ * See http://bugzilla.mozilla.org/show_bug.cgi?id=187133
+ *
+ * The tests here employ the regular expression construct:
+ *
+ *                   (?!pattern)
+ *
+ * This is a "zero-width lookahead negative assertion".
+ * From the Perl documentation:
+ *
+ *   For example, /foo(?!bar)/ matches any occurrence
+ *   of 'foo' that isn't followed by 'bar'.
+ *
+ * It is "zero-width" means that it does not consume any characters and that
+ * the parens are non-capturing. A non-null match array in the example above
+ * will have only have length 1, not 2.
+ *
+ */
+//-----------------------------------------------------------------------------
+var gTestfile = 'regress-187133.js';
+var i = 0;
+var BUGNUMBER = 187133;
+var summary = 'RegExp conformance test';
+var status = '';
+var statusmessages = new Array();
+var pattern = '';
+var patterns = new Array();
+var string = '';
+var strings = new Array();
+var actualmatch = '';
+var actualmatches = new Array();
+var expectedmatch = '';
+var expectedmatches = new Array();
+
+
+pattern = /(\.(?!com|org)|\/)/;
+status = inSection(1);
+string = 'ah.info';
+actualmatch = string.match(pattern);
+expectedmatch = ['.', '.'];
+addThis();
+
+status = inSection(2);
+string = 'ah/info';
+actualmatch = string.match(pattern);
+expectedmatch = ['/', '/'];
+addThis();
+
+status = inSection(3);
+string = 'ah.com';
+actualmatch = string.match(pattern);
+expectedmatch = null;
+addThis();
+
+
+pattern = /(?!a|b)|c/;
+status = inSection(4);
+string = '';
+actualmatch = string.match(pattern);
+expectedmatch = [''];
+addThis();
+
+status = inSection(5);
+string = 'bc';
+actualmatch = string.match(pattern);
+expectedmatch = [''];
+addThis();
+
+status = inSection(6);
+string = 'd';
+actualmatch = string.match(pattern);
+expectedmatch = [''];
+addThis();
+
+
+
+
+//-------------------------------------------------------------------------------------------------
+test();
+//-------------------------------------------------------------------------------------------------
+
+
+function addThis()
+{
+  statusmessages[i] = status;
+  patterns[i] = pattern;
+  strings[i] = string;
+  actualmatches[i] = actualmatch;
+  expectedmatches[i] = expectedmatch;
+  i++;
+}
+
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+  testRegExp(statusmessages, patterns, strings, actualmatches, expectedmatches);
+  exitFunc ('test');
+}