Convert nvarchar to uniqueidentifier in SQL Server

Create function for convert nvarchar to uniqueidentifier as given below.

ALTER FUNCTION [dbo].[Str2Uniqe](@s VARCHAR(50))

RETURNS UNIQUEIDENTIFIER

AS BEGIN

SET @s = REPLACE(REPLACE(@s,'0x',''),'-','')

SET @s = STUFF(STUFF(STUFF(STUFF(@s,21,0,'-'),17,0,'-'),13,0,'-'),9,0,'-')

RETURN CAST(@s AS UNIQUEIDENTIFIER)

END

Select created function result as given below.

DECLARE @guid VARCHAR(50)

SET @guid = '3b8766fa720043af9e21c5bc6bbbdea5'

SELECT dbo.Str2Uniqe(@guid)

Result as given below.

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