diff -r 41300fa6a67c -r f7bc934e204c tests/auto/qstring/tst_qstring.cpp
--- a/tests/auto/qstring/tst_qstring.cpp	Tue Feb 02 00:43:10 2010 +0200
+++ b/tests/auto/qstring/tst_qstring.cpp	Wed Mar 31 11:06:36 2010 +0300
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -3503,7 +3503,10 @@
                         << QString("\\b") << 3 << 3
                         << int(QString::SectionDefault)
                         << QString("is") << true;
-
+    QTest::newRow( "task257941-rx" ) << QString("99.0 42.3")
+                        << QString("\\s*[AaBb]\\s*") << 1 << 1
+                        << int(QString::SectionIncludeLeadingSep)
+                        << QString() << true;
 }
 
 void tst_QString::section()