How to quote values using group_concat

[Woopyalecris]

I need to use group_concat to build a list of comma separated values but I need the values to be quoted. How do I do this?This:\[code\]425,254,431,53,513,13,1,13\[/code\]Should be converted to:\[code\]'425','254','431','53','513','13','1','13'\[/code\]