diff --git a/src/gui/src/MainWindow.cpp b/src/gui/src/MainWindow.cpp
index 1cfbfec9c..ecf171147 100644
--- a/src/gui/src/MainWindow.cpp
+++ b/src/gui/src/MainWindow.cpp
@@ -691,7 +691,7 @@ void MainWindow::checkConnected(const QString &line)
 
 void MainWindow::checkFingerprint(const QString &line)
 {
-  QRegularExpression re(".*server fingerprint: ([A-F0-9:]+)");
+  static const QRegularExpression re(".*server fingerprint: ([A-F0-9:]+)");
   auto match = re.match(line);
   if (!match.hasMatch()) {
     return;
diff --git a/src/lib/gui/VersionChecker.cpp b/src/lib/gui/VersionChecker.cpp
index 157490a2b..ec1abdbd8 100644
--- a/src/lib/gui/VersionChecker.cpp
+++ b/src/lib/gui/VersionChecker.cpp
@@ -86,11 +86,12 @@ int VersionChecker::getStageVersion(QString stage)
   if (stage.isEmpty() || stage == stableName) {
     return stableValue;
   } else if (stage.toLower().startsWith(rcName)) {
-    QRegularExpression re("\\d*", QRegularExpression::CaseInsensitiveOption);
-    if (re.match(stage).hasMatch()) {
+    static QRegularExpression re("\\d*", QRegularExpression::CaseInsensitiveOption);
+    auto match = re.match(stage);
+    if (match.hasMatch()) {
       // return the rc value plus the rc number (e.g. 2 + 1)
       // this should be ok since stable is max int.
-      return rcValue + re.match(stage).captured(1).toInt();
+      return rcValue + match.captured(1).toInt();
     }
   } else if (stage == betaName) {
     return betaValue;
diff --git a/src/lib/gui/validators/ComputerNameValidator.cpp b/src/lib/gui/validators/ComputerNameValidator.cpp
index 3410c7672..b6bccff5e 100644
--- a/src/lib/gui/validators/ComputerNameValidator.cpp
+++ b/src/lib/gui/validators/ComputerNameValidator.cpp
@@ -27,10 +27,8 @@ ComputerNameValidator::ComputerNameValidator(const QString &message) : IStringVa
 
 bool ComputerNameValidator::validate(const QString &input) const
 {
-  const QRegularExpression re("^[\\w\\._-]{0,255}$", QRegularExpression::CaseInsensitiveOption);
-  auto match = re.match(input);
-  auto result = match.hasMatch();
-  return result;
+  auto match = m_nameValidator.match(input);
+  return match.hasMatch();
 }
 
 } // namespace validators
diff --git a/src/lib/gui/validators/ComputerNameValidator.h b/src/lib/gui/validators/ComputerNameValidator.h
index a8b66201b..5f30621e1 100644
--- a/src/lib/gui/validators/ComputerNameValidator.h
+++ b/src/lib/gui/validators/ComputerNameValidator.h
@@ -28,6 +28,10 @@ class ComputerNameValidator : public IStringValidator
 public:
   explicit ComputerNameValidator(const QString &message);
   bool validate(const QString &input) const override;
+
+private:
+  inline static const QRegularExpression m_nameValidator =
+      QRegularExpression(QStringLiteral("^[\\w\\._-]{0,255}$"), QRegularExpression::CaseInsensitiveOption);
 };
 
 } // namespace validators