How can I remove leading and trailing quotes in SQL Server?

Question

I have a table in a SQL Server database with an NTEXT column. This column may contain data that is enclosed with double quotes. When I query for this column, I want to remo

Answer 1

CREATE FUNCTION dbo.TRIM(@String VARCHAR(MAX), @Char varchar(5))
RETURNS VARCHAR(MAX)
BEGIN
RETURN SUBSTRING(@String,PATINDEX('%[^' + @Char + ' ]%',@String)
    ,(DATALENGTH(@String)+2 - (PATINDEX('%[^' + @Char + ' ]%'
    ,REVERSE(@String)) + PATINDEX('%[^' + @Char + ' ]%',@String)
    )))
END
GO

Select dbo.TRIM('"this is a test message"','"')

Reference : http://raresql.com/2013/05/20/sql-server-trim-how-to-remove-leading-and-trailing-charactersspaces-from-string/