This method uses SubStringCount() along with SubField() to be able to individually iterate over a list with Qlik Loops - For Loop

This is a work-around within Qlik without having a list object to store multiple strings

set values='a,b,c';
 
let commaCount=SubStringCount(values,',');
 
for i=1 to commaCount + 1
 
	let value=subfield(values,',', i);
 
next