Hello, 

Perhaps, a statement like : 
substring(theString, 1, length(theString)-position(',' IN reverse(theString))) 

with theString 'Class V,Class VI,Class VII,Competitive Exam,Class VIII*,Class' 
for example. 
Regards 
----- Météo-France ----- 
PALAYRET JACQUES 
DCSC/MBD 
jacques.palay...@meteo.fr 
Fixe : +33 561078319 

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