TSQL : Finding the last occurrence of a character

DECLARE @fullpath VARCHAR(500)
SET @fullpath = 'E:\Masters\MP3 DJ Masters\MP3 CD 320\Artist Albums\Sonique\Hear My Cry\01 Sonique - It Feels So Good.mp3'
 
SELECT   CHARINDEX('\', REVERSE(@fullpath)) AS [CharPosition] -- Final '\' character in the data
                ,LEFT(@fullpath,LEN(@fullpath) - CHARINDEX('\', REVERSE(@fullpath))) AS [Folder]
                ,RTRIM(RIGHT(@fullpath, CHARINDEX('\', REVERSE(@fullpath)) - 1)) AS [FileName]