how to parse a line- the content inside quotes or a pattern using unix

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http://stackoverflow.com – I'm trying to grab content inside some formatted text. example input in file: i would like to say ("hi") i am leaving, ("bye") who is there? ("crazy cat") I have a ("dirty dog that needs water") // How do i grab only the string that is in (" "). I tried to parse it by space or by a string that has (" but i wouldn't be able to get the strings with spaces... currently i'm using cat get_list.txt | tr ' ' '\n' (HowTos)