CleanString T-SQL Function

CREATE FUNCTION dbo.CleanString (
	@SomeText VARCHAR(8000)
)
RETURNS VARCHAR(8000)
AS 
BEGIN
	DECLARE @return VARCHAR(8000) = ''
	DECLARE @position int = 1
	
	WHILE @position <= DATALENGTH(@SomeText) 
	BEGIN
		IF ASCII(SUBSTRING(@SomeText, @position, 1)) BETWEEN 32 AND 127
			SET @return = @return + SUBSTRING(@SomeText, @position, 1)
		SET @position = @position + 1
	END
RETURN @return
END