update webserver example for qt6

WebServer/WebServer.pro

@@ -3,10 +3,6 @@
 TARGET = WebServer
 TEMPLATE = app
 
-equals( QT_MAJOR_VERSION, 6 ) {
-    QT += core5compat
-}
-
 QT += core
 QT += network
 QT -= gui

WebServer/context.hpp

@@ -5,10 +5,6 @@
 #include <QVariant>
 #include <QHash>
 
-#if QT_VERSION_MAJOR >= 6 // Qt6 or higher version
-#include <QtCore5Compat>
-#endif
-
 #include "request.hpp"
 #include "response.hpp"
 

WebServer/main.cpp

@@ -7,10 +7,6 @@
 #include <QVector>
 #include <QList>
 
-#if QT_VERSION_MAJOR >= 6 // Qt6 or higher version
-#include <QtCore5Compat>
-#endif
-
 #include "recurse.hpp"
 
 #include "xlsxdocument.h"

WebServer/recurse.hpp

@@ -18,7 +18,8 @@
 #include <QVector>
 
 #if QT_VERSION_MAJOR >= 6 // Qt6 or higher version
-#include <QtCore5Compat>
+ #include <QRegularExpression>
+ #include <QRegularExpressionMatch>
 #endif
 
 #include <functional>
@@ -439,10 +440,19 @@ namespace Recurse
     {
         QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
 
+#if QT_VERSION_MAJOR >= 6 // Qt6 or higher version
+        QRegularExpression debug_strings("(recurse|development)");
+
+        QRegularExpressionMatch rem = debug_strings.match(env.value("DEBUG"));
+        if ( rem.hasMatch() )
+            m_debug = true;
+#else
         QRegExp debug_strings("(recurse|development)");
 
         if (debug_strings.indexIn(env.value("DEBUG")) != -1)
             m_debug = true;
+#endif
+
     }
 
     inline Application::Application(int &argc, char **argv, QObject *parent)

WebServer/request.hpp

@@ -8,7 +8,7 @@
 #include <QUrlQuery>
 
 #if QT_VERSION_MAJOR >= 6 // Qt6 or higher version
-#include <QtCore5Compat>
+ #include <QRegularExpression>
 #endif
 
 class Request

WebServer/response.hpp

@@ -5,10 +5,6 @@
 #include <QHash>
 #include <QJsonDocument>
 
-#if QT_VERSION_MAJOR >= 6 // Qt6 or higher version
-#include <QtCore5Compat>
-#endif
-
 #include <functional>
 
 class Response