3 files changed, 28 insertions, 1 deletions
diff --git a/src/corelib/serialization/qcborvalue.cpp b/src/corelib/serialization/qcborvalue.cpp
index e53b6a0326..80ef515fd2 100644
--- a/src/corelib/serialization/qcborvalue.cpp
+++ b/src/corelib/serialization/qcborvalue.cpp
@@ -1771,6 +1771,7 @@ QCborValue::QCborValue(const QUrl &url)
     container->elements[1].type = String;
 }
 
+#if QT_CONFIG(regularexpression)
 /*!
     Creates a QCborValue object of the regular expression pattern extended type
     and containing the value represented by \a rx. The value can later be retrieved
@@ -1789,6 +1790,7 @@ QCborValue::QCborValue(const QRegularExpression &rx)
     // change type
     t = RegularExpression;
 }
+#endif // QT_CONFIG(regularexpression)
 
 /*!
     Creates a QCborValue object of the UUID extended type and containing the
@@ -1942,6 +1944,7 @@ QUrl QCborValue::toUrl(const QUrl &defaultValue) const
     return QUrl::fromEncoded(byteData->asByteArrayView());
 }
 
+#if QT_CONFIG(regularexpression)
 /*!
     Returns the regular expression value stored in this QCborValue, if it is of
     the regular expression pattern extended type. Otherwise, it returns \a
@@ -1960,6 +1963,7 @@ QRegularExpression QCborValue::toRegularExpression(const QRegularExpression &def
     Q_ASSERT(n == -1);
     return QRegularExpression(container->stringAt(1));
 }
+#endif // QT_CONFIG(regularexpression)
 
 /*!
     Returns the UUID value stored in this QCborValue, if it is of the UUID
@@ -2400,12 +2404,16 @@ uint qHash(const QCborValue &value, uint seed)
         return qHash(value.toDateTime(), seed);
     case QCborValue::Url:
         return qHash(value.toUrl(), seed);
+#if QT_CONFIG(regularexpression)
     case QCborValue::RegularExpression:
         return qHash(value.toRegularExpression(), seed);
+#endif
     case QCborValue::Uuid:
         return qHash(value.toUuid(), seed);
     case QCborValue::Invalid:
         return seed;
+    default:
+        break;
     }
 
     Q_ASSERT(value.isSimpleType());
@@ -2450,12 +2458,16 @@ static QDebug debugContents(QDebug &dbg, const QCborValue &v)
         return dbg << v.toDateTime();
     case QCborValue::Url:
         return dbg << v.toUrl();
+#if QT_CONFIG(regularexpression)
     case QCborValue::RegularExpression:
         return dbg << v.toRegularExpression();
+#endif
     case QCborValue::Uuid:
         return dbg << v.toUuid();
     case QCborValue::Invalid:
         return dbg << "<invalid>";
+    default:
+        break;
     }
     if (v.isSimpleType())
         return dbg << v.toSimpleType();
diff --git a/src/corelib/serialization/qcborvalue.h b/src/corelib/serialization/qcborvalue.h
index 105af1ba73..d6ba4e88d8 100644
--- a/src/corelib/serialization/qcborvalue.h
+++ b/src/corelib/serialization/qcborvalue.h
@@ -43,7 +43,9 @@
 #include <QtCore/qbytearray.h>
 #include <QtCore/qdatetime.h>
 #include <QtCore/qcborcommon.h>
-#include <QtCore/qregularexpression.h>
+#if QT_CONFIG(regularexpression)
+#  include <QtCore/qregularexpression.h>
+#endif
 #include <QtCore/qstring.h>
 #include <QtCore/qstringview.h>
 #include <QtCore/qurl.h>
@@ -155,7 +157,9 @@ public:
 
     explicit QCborValue(const QDateTime &dt);
     explicit QCborValue(const QUrl &url);
+#if QT_CONFIG(regularexpression)
     explicit QCborValue(const QRegularExpression &rx);
+#endif
     explicit QCborValue(const QUuid &uuid);
 
     ~QCborValue() { if (container) dispose(); }
@@ -233,7 +237,9 @@ public:
     QString toString(const QString &defaultValue = {}) const;
     QDateTime toDateTime(const QDateTime &defaultValue = {}) const;
     QUrl toUrl(const QUrl &defaultValue = {}) const;
+#if QT_CONFIG(regularexpression)
     QRegularExpression toRegularExpression(const QRegularExpression &defaultValue = {}) const;
+#endif
     QUuid toUuid(const QUuid &defaultValue = {}) const;
 
 #ifdef Q_QDOC
@@ -380,8 +386,10 @@ public:
     { return concrete().toDateTime(defaultValue); }
     QUrl toUrl(const QUrl &defaultValue = {}) const
     { return concrete().toUrl(defaultValue); }
+#if QT_CONFIG(regularexpression)
     QRegularExpression toRegularExpression(const QRegularExpression &defaultValue = {}) const
     { return concrete().toRegularExpression(defaultValue); }
+#endif
     QUuid toUuid(const QUuid &defaultValue = {}) const
     { return concrete().toUuid(defaultValue); }
 
diff --git a/src/corelib/serialization/qjsoncbor.cpp b/src/corelib/serialization/qjsoncbor.cpp
index 158f1950d0..4f756df97c 100644
--- a/src/corelib/serialization/qjsoncbor.cpp
+++ b/src/corelib/serialization/qjsoncbor.cpp
@@ -543,14 +543,19 @@ QVariant QCborValue::toVariant() const
     case Url:
         return toUrl();
 
+#if QT_CONFIG(regularexpression)
     case RegularExpression:
         return toRegularExpression();
+#endif
 
     case Uuid:
         return toUuid();
 
     case Invalid:
         return QVariant();
+
+    default:
+        break;
     }
 
     if (isSimpleType())
@@ -714,8 +719,10 @@ QCborValue QCborValue::fromVariant(const QVariant &variant)
     case QVariant::Hash:
         return QCborMap::fromVariantHash(variant.toHash());
 #ifndef QT_BOOTSTRAPPED
+#if QT_CONFIG(regularexpression)
     case QVariant::RegularExpression:
         return QCborValue(variant.toRegularExpression());
+#endif
     case QMetaType::QJsonValue:
         return fromJsonValue(variant.toJsonValue());
     case QMetaType::QJsonObject: