diff --git a/src/plugins/help/helpplugin.cpp b/src/plugins/help/helpplugin.cpp
index 209703c6079..2d1d708677f 100644
--- a/src/plugins/help/helpplugin.cpp
+++ b/src/plugins/help/helpplugin.cpp
@@ -80,7 +80,7 @@
 #include <QTimer>
 #include <QTranslator>
 #include <qplugin.h>
-#include <QRegExp>
+#include <QRegularExpression>
 
 #include <QAction>
 #include <QComboBox>
@@ -322,12 +322,12 @@ void HelpPluginPrivate::resetFilter()
 {
     const QString &filterInternal = QString::fromLatin1("Qt Creator %1.%2.%3")
         .arg(IDE_VERSION_MAJOR).arg(IDE_VERSION_MINOR).arg(IDE_VERSION_RELEASE);
-    QRegExp filterRegExp("Qt Creator \\d*\\.\\d*\\.\\d*");
+    const QRegularExpression filterRegExp("^Qt Creator \\d*\\.\\d*\\.\\d*$");
 
     QHelpEngineCore *engine = &LocalHelpManager::helpEngine();
     const QStringList &filters = engine->customFilters();
-    foreach (const QString &filter, filters) {
-        if (filterRegExp.exactMatch(filter) && filter != filterInternal)
+    for (const QString &filter : filters) {
+        if (filterRegExp.match(filter).hasMatch() && filter != filterInternal)
             engine->removeCustomFilter(filter);
     }
 
diff --git a/src/plugins/ios/iosrunner.cpp b/src/plugins/ios/iosrunner.cpp
index 1aa5fc52331..b422723a952 100644
--- a/src/plugins/ios/iosrunner.cpp
+++ b/src/plugins/ios/iosrunner.cpp
@@ -52,7 +52,7 @@
 #include <QDateTime>
 #include <QDir>
 #include <QMessageBox>
-#include <QRegExp>
+#include <QRegularExpression>
 #include <QSettings>
 #include <QTcpServer>
 #include <QTime>
@@ -275,11 +275,11 @@ void IosRunner::handleGotInferiorPid(IosToolHandler *handler, const QString &bun
 void IosRunner::handleAppOutput(IosToolHandler *handler, const QString &output)
 {
     Q_UNUSED(handler)
-    QRegExp qmlPortRe("QML Debugger: Waiting for connection on port ([0-9]+)...");
-    int index = qmlPortRe.indexIn(output);
+    QRegularExpression qmlPortRe("QML Debugger: Waiting for connection on port ([0-9]+)...");
+    const QRegularExpressionMatch match = qmlPortRe.match(output);
     QString res(output);
-    if (index != -1 && m_qmlServerPort.isValid())
-       res.replace(qmlPortRe.cap(1), QString::number(m_qmlServerPort.number()));
+    if (match.hasMatch() && m_qmlServerPort.isValid())
+       res.replace(match.captured(1), QString::number(m_qmlServerPort.number()));
     appendMessage(output, StdOutFormat);
     appOutput(res);
 }
@@ -297,10 +297,10 @@ void IosRunner::handleErrorMsg(IosToolHandler *handler, const QString &msg)
         TaskHub::addTask(DeploymentTask(Task::Error, message));
         res.replace(lockedErr, message);
     }
-    QRegExp qmlPortRe("QML Debugger: Waiting for connection on port ([0-9]+)...");
-    int index = qmlPortRe.indexIn(msg);
-    if (index != -1 && m_qmlServerPort.isValid())
-       res.replace(qmlPortRe.cap(1), QString::number(m_qmlServerPort.number()));
+    QRegularExpression qmlPortRe("QML Debugger: Waiting for connection on port ([0-9]+)...");
+    const QRegularExpressionMatch match = qmlPortRe.match(msg);
+    if (match.hasMatch() && m_qmlServerPort.isValid())
+       res.replace(match.captured(1), QString::number(m_qmlServerPort.number()));
 
     appendMessage(res, StdErrFormat);
     errorMsg(res);