CASE syntax

I cannot get a right syntax for a simple case statement.
I am trying:
Select CASE myfield
when ('val1' or 'val2' or 'val3') THEN 'A'
when ('val4' or 'val5') THEN 'B'
else 'C'

I am getting a syntax error

I also tried to replaced OR with , but no success.

Could you help with the syntax when the case statement has more than one value ?

Thanks
LVL 4
marperAsked:
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Guy Hengel [angelIII / a3]Billing EngineerCommented:
Select CASE
when myfield in ('val1' , 'val2' , 'val3') THEN 'A'
when myfield in ('val4' , 'val5') THEN 'B'
else 'C' end
0

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Aneesh RetnakaranDatabase AdministratorCommented:
Select CASE
when myfield IN  ('val1' , 'val2' , 'val3') THEN 'A'
when myfield IN  ('val4' , 'val5') THEN 'B'
else 'C' END
0
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Microsoft SQL Server 2005

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