Split Example

DECLARE @xml xml,@str varchar(100),@delimiter varchar(10)
SET @str= 'AAA 65785 89'
SET @delimiter =' '
SET @xml = cast(('<X>'+replace(@str,@delimiter ,'</X><X>')+'</X>') as xml)
select @xml
SELECT a.value('.','varchar(10)') as value FROM @xml.nodes('X') as X(a)