forgot to add the new m-file for checks in last commit...now done

SearchAndReplaceInverseFieldsInCtrlVar.m

@@ -0,0 +1,32 @@
+
+function [InvertString,status]=SearchAndReplaceInverseFieldsInCtrlVar(InvertString)
+
+status=true;
+
+switch lower(InvertString)
+
+    case {'c','-c-'}
+        InvertString='-C-';
+    case {'aglen','-a-'}
+        InvertString='-AGlen-';
+    case {'b','-b-'}
+        if contains(InvertString,'B')
+            InvertString='-B-';
+        elseif contains(InvertString,'b')
+            error(' b inversion not possible, maybe try B inversion instead.') 
+        end
+    case {'aglenc','caglen','-aglen-c-','-c-aglen-','ac','ca','-a-c-','-c-a-'}
+        InvertString='-AGlen-C-';
+    case {'logc','-logc-'}
+        InvertString='-logC-';
+    case {'loga','logaglen','-loga-','-logaglen-'}
+        InvertString='-logAGlen-';
+    case {'logaglenlogc','logaglen-logc','-loga-logc-','-logc-loga-','logclogaglen','logc-logaglen','-logaglen-logc-','-logc-logaglen-'}
+        InvertString='-logAGlen-logC-';
+    otherwise
+
+        status=false;
+
+end
+
+end