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create table t(ID int, Code varchar(50), CodeType varchar(50), CodeExt varchar(50)) insert into t select 1 , '-S_P&S_A' , 'S_P' , 'A+B' insert into t select 1 , '-S_P&S_A' , 'S_A' , 'C' insert into t select 2 , 'S_P/S_A/S_Z' , 'S_P' , 'A+B+C' insert into t select 2 , 'S_P/S_A/S_Z' , 'S_A' , 'D' insert into t select 2 , 'S_P/S_A/S_Z' , 'S_Z' , 'E' insert into t select 3 , 'S_P' , 'S_P' , 'A'
6 rows affected
with n as ( select ID, Value, seq, Replace(Value,CodeType,Concat('(',CodeExt,')')) NewValue, case when seq < Max(seq) over(partition by ID) then case when Code like '%&%' then '&' when Code like '%/%' then '/' else '' end end sep from t cross apply ( select Value, [Key]+1 seq from OpenJson(Concat('["',Replace(Translate(code,'&/', ',,'),',','","'),'"]')) j )s ) select ID, String_Agg(Concat(NewValue, sep),'') within group(order by seq) from n where Value != NewValue group by ID;
ID
(No column name)
1
-(A+B)&(C)
2
(A+B+C)/(D)/(E)
3
(A)