String split in sql server

i writeen one table valued function to split string

create FUNCTION [dbo].[StringSplit](@input NVARCHAR(MAX), @delimiter CHAR(1)=',')
RETURNS @returnTable TABLE(item NVARCHAR(100)) AS
BEGIN
IF @input IS NULL RETURN;
DECLARE @currentStartIndex INT, @currentEndIndex INT,@length INT;
SET @length=LEN(@input);
SET @currentStartIndex=1;
SET @currentEndIndex=CHARINDEX(@delimiter,@input,@currentStartIndex);
WHILE (@currentEndIndex<>0)
BEGIN
INSERT INTO @returnTable VALUES (LTRIM(SUBSTRING(@input, @currentStartIndex, @currentEndIndex-@currentStartIndex)))
SET @currentStartIndex=@currentEndIndex+1;
SET @currentEndIndex=CHARINDEX(@delimiter,@input,@currentStartIndex);
END
IF (@currentStartIndex <= @length)
INSERT INTO @returnTable
VALUES (LTRIM(SUBSTRING(@input, @currentStartIndex, @length-@currentStartIndex+1)));
RETURN;
END;


i am using above function in below select query

DECLARE @testString VARCHAR(100)
SET @testString = replace(replace('{"Product":"algoda","Product2":"Nao","Product3":"Nao1"}','{',''),'}','')
SELECT *
FROM [dbo].[StringSplit](@testString, DEFAULT)


When i execute output as follows

item
"Product1":"algoda"
"Product2":"Nao"
"Product3":"Nao1"


from the above i want output as follows


item
Product1 algoda
Product2 Nao
Product3 Nao

in the above function what changes i have to made to get above excepted output to remove the " and :.