Migrated to qt6.

src/axis.cpp

@@ -1,6 +1,7 @@
 #include "axis.h"
 #include "event.h"
 #include "time.h"
+#include <QRegularExpression>
 
 #define sqr(a) ((a)*(a))
 #define cub(a)	((a)*(a)*(a))
@@ -31,7 +32,7 @@ bool Axis::read( QTextStream &stream ) {
 
     //read in a line from the stream, and split it up into individual words
     QString input = stream.readLine().toLower();
-    QRegExp regex("[\\s,]+");
+    QRegularExpression regex("[\\s,]+");
     QStringList words = input.split(regex);
 
     //used to assure QString->int conversions worked