diff --git a/src/gui/kernel/qplatformdialoghelper.cpp b/src/gui/kernel/qplatformdialoghelper.cpp
index 25894fd504..20dc716d89 100644
--- a/src/gui/kernel/qplatformdialoghelper.cpp
+++ b/src/gui/kernel/qplatformdialoghelper.cpp
@@ -651,12 +651,13 @@ void QPlatformFileDialogHelper::setOptions(const QSharedPointer<QFileDialogOptio
 }
 
 const char *QPlatformFileDialogHelper::filterRegExp =
-"^(.*)\\(([a-zA-Z0-9_.*? +;#\\-\\[\\]@\\{\\}/!<>\\$%&=^~:\\|]*)\\)$";
+"^(.*)\\(([a-zA-Z0-9_.,*? +;#\\-\\[\\]@\\{\\}/!<>\\$%&=^~:\\|]*)\\)$";
 
 // Makes a list of filters from a normal filter string "Image Files (*.png *.jpg)"
 QStringList QPlatformFileDialogHelper::cleanFilterList(const QString &filter)
 {
     QRegExp regexp(QString::fromLatin1(filterRegExp));
+    Q_ASSERT(regexp.isValid());
     QString f = filter;
     int i = regexp.indexIn(f);
     if (i >= 0)
diff --git a/tests/auto/widgets/dialogs/qfiledialog2/tst_qfiledialog2.cpp b/tests/auto/widgets/dialogs/qfiledialog2/tst_qfiledialog2.cpp
index ed34c67aad..85f60102a7 100644
--- a/tests/auto/widgets/dialogs/qfiledialog2/tst_qfiledialog2.cpp
+++ b/tests/auto/widgets/dialogs/qfiledialog2/tst_qfiledialog2.cpp
@@ -57,6 +57,8 @@
 #include "../../../../../src/widgets/dialogs/qfilesystemmodel_p.h"
 #include "../../../../../src/widgets/dialogs/qfiledialog_p.h"
 
+#include <qpa/qplatformdialoghelper.h>
+
 #if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
 #include "../../../network-settings.h"
 #endif
@@ -134,6 +136,8 @@ private slots:
     void QTBUG6558_showDirsOnly();
     void QTBUG4842_selectFilterWithHideNameFilterDetails();
     void dontShowCompleterOnRoot();
+    void nameFilterParsing_data();
+    void nameFilterParsing();
 
 private:
     void cleanupSettingsFile();
@@ -1353,5 +1357,24 @@ void tst_QFileDialog2::dontShowCompleterOnRoot()
     QTRY_VERIFY(lineEdit->completer()->popup()->isHidden());
 }
 
+void tst_QFileDialog2::nameFilterParsing_data()
+{
+    QTest::addColumn<QString>("filterString");
+    QTest::addColumn<QStringList>("filters");
+
+    // QTBUG-47923: Do not trip over "*,v".
+    QTest::newRow("text") << "plain text document (*.txt *.asc *,v *.doc)"
+        << (QStringList() << "*.txt" << "*.asc" << "*,v" << "*.doc");
+    QTest::newRow("html") << "HTML document (*.html *.htm)"
+       << (QStringList() << "*.html" <<  "*.htm");
+}
+
+void tst_QFileDialog2::nameFilterParsing()
+{
+    QFETCH(QString, filterString);
+    QFETCH(QStringList, filters);
+    QCOMPARE(QPlatformFileDialogHelper::cleanFilterList(filterString), filters);
+}
+
 QTEST_MAIN(tst_QFileDialog2)
 #include "tst_qfiledialog2.moc"