diff --git a/menufile.cpp b/menufile.cpp
--- a/menufile.cpp
+++ b/menufile.cpp
@@ -21,7 +21,7 @@
 #include <QDir>
 #include <QFile>
 #include <QTextStream>
-#include <QRegExp>
+#include <QRegularExpression>
 #include <QFileInfo>
 #include <QStandardPaths>
 
@@ -454,8 +454,9 @@
         result.chop(1);
     }
 
-    QRegExp r(QStringLiteral("(.*)(?=-\\d+)"));
-    result = (r.indexIn(result) > -1) ? r.cap(1) : result;
+    static const QRegularExpression re(QStringLiteral("(.*)(?=-\\d+)"));
+    const QRegularExpressionMatch match = re.match(result);
+    result = match.hasMatch() ? match.captured(1) : result;
 
     int trunc = result.length(); // Position of trailing '/'
 
diff --git a/menuinfo.cpp b/menuinfo.cpp
--- a/menuinfo.cpp
+++ b/menuinfo.cpp
@@ -19,7 +19,7 @@
 
 #include "menuinfo.h"
 
-#include <QRegExp>
+#include <QRegularExpressionMatch>
 
 #include <KDesktopFile>
 
@@ -106,11 +106,17 @@
     entries.removeAll(entry);
 }
 
+QString uniqueCaption(const QString &caption)
+{
+    static const QRegularExpression re(QStringLiteral("(.*)(?=-\\d+)"));
+    const QRegularExpressionMatch match = re.match(caption);
+    return match.hasMatch() ? match.captured(1) : caption;
+}
+
 // Return a unique sub-menu caption inspired by @p caption
 QString MenuFolderInfo::uniqueMenuCaption(const QString &caption)
 {
-    QRegExp r(QStringLiteral("(.*)(?=-\\d+)"));
-    QString cap = (r.indexIn(caption) > -1) ? r.cap(1) : caption;
+    QString cap = uniqueCaption(caption);
 
     QString result = caption;
 
@@ -134,8 +140,7 @@
 // Return a unique item caption inspired by @p caption
 QString MenuFolderInfo::uniqueItemCaption(const QString &caption, const QString &exclude)
 {
-    QRegExp r(QStringLiteral("(.*)(?=-\\d+)"));
-    QString cap = (r.indexIn(caption) > -1) ? r.cap(1) : caption;
+    QString cap = uniqueCaption(caption);
 
     QString result = caption;
 
diff --git a/treeview.cpp b/treeview.cpp
--- a/treeview.cpp
+++ b/treeview.cpp
@@ -36,7 +36,7 @@
 #include <QInputDialog>
 #include <QMenu>
 #include <QPainter>
-#include <QRegExp>
+#include <QRegularExpressionMatch>
 #include <QUrl>
 
 #include <KActionCollection>
@@ -727,8 +727,9 @@
     QString base = file.mid(file.lastIndexOf(QLatin1Char('/'))+1);
     base = base.left(base.lastIndexOf(QLatin1Char('.')));
 
-    QRegExp r(QStringLiteral("(.*)(?=-\\d+)"));
-    base = (r.indexIn(base) > -1) ? r.cap(1) : base;
+    const QRegularExpression re(QStringLiteral("(.*)(?=-\\d+)"));
+    const QRegularExpressionMatch match = re.match(base);
+    base = match.hasMatch() ? match.captured(1) : base;
 
     QString result = KService::newServicePath(true, base, menuId, excludeList);
     excludeList->append(*menuId);