chore: make all the regexes static const

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

libraries/LocalPeer/src/LocalPeer.cpp

@@ -72,7 +72,8 @@ ApplicationId ApplicationId::fromTraditionalApp()
     protoId = protoId.toLower();
 #endif
     auto prefix = protoId.section(QLatin1Char('/'), -1);
-    prefix.remove(QRegularExpression("[^a-zA-Z]"));
+    static const QRegularExpression s_removeChars("[^a-zA-Z]");
+    prefix.remove(s_removeChars);
     prefix.truncate(6);
     QByteArray idc = protoId.toUtf8();
     quint16 idNum = qChecksum(idc);