[Q] parsing out String array

if I have field declared
myvalue text[][]

insert into vladik (myval)
values
(
'{{"\",A", "\"B"}, {"Y", "Q"}}'
)


What do you guys use in your treasurechest of 'addons'
to successfully parse out the above trickery
and get

and get the 4 strings
",A
"B
Y
Q

from within Postgres stored procedure as well as C++ or other client
code.


It seems to me that it is not possible with any built-in command
available
to easily extract the strings out to a multidimensional array


thank you
--
Vlad P
author of C++  ORM  http://github.com/vladp/CppOrm/tree/master


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