Added regexp tests from PCRE.

Review URL: http://codereview.chromium.org/19751

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1207 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

LICENSE

@@ -6,6 +6,11 @@ are:
     by the University of Cambridge and Apple Inc. and released under a
     2-clause BSD license.
 
+  - PCRE test suite, located in test/mjsunit/regexp-pcre.js.  This is
+    based on the test suite from PCRE-7.3, which is copyrighted by the
+    University of Cambridge and Google, Inc.  The copyright notive and
+    license are embedded in regexp-pcre.js.
+
   - Dtoa, located under third_party/dtoa.  This code is copyrighted by
     David M. Gay and released under an MIT license.
 
@@ -22,7 +27,7 @@ are:
 These libraries have their own licenses; we recommend you read them,
 as their terms may differ from the terms below.
 
-Copyright 2006-2008, Google Inc. All rights reserved.
+Copyright 2006-2009, Google Inc. All rights reserved.
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
 met:

test/mjsunit/regexp-capture.js

@@ -50,3 +50,8 @@ assertEquals("undefined", "y".replace(/(x)?y/,
     function($0, $1){ 
         return $1; 
     }));
+
+// See https://bugzilla.mozilla.org/show_bug.cgi?id=476146
+assertEquals("bbc,b", /^(b+|a){1,2}?bc/.exec("bbc"));
+assertEquals("bbaa,a,,a", /((\3|b)\2(a)){2,}/.exec("bbaababbabaaaaabbaaaabba"));
+