search And replace with regular Expression between 2 strings in sublime

hello, I want to search and replace with regular Expression between this 2 $ -

$string$

and change for

$data['string']

for search , I use regular expression in sublime , like this -

[$](.*)[$]

it select all data with $ between , like this - $string$

but I need to change to to $data['string'] with regular expression as well .