replace 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 :.