The following function finds out how many times a string is found inside another string:
create function fnOccurances (@string varchar(8000),@pattern varchar(4000)) returns smallint asbegin declare @i int declare @counter int set @i=0 set @counter=0 while charindex(@pattern,@string,@i) != 0 begin set @i=charindex(@pattern,@string,@i)+1 set @counter = @counter + 1 end return @counterend
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