align-dq-string-modes

align-dq-string-modes is a variable defined in `align.el'.
Its value is

(vhdl-mode emacs-lisp-mode lisp-interaction-mode lisp-mode scheme-mode c++-mode c-mode java-mode perl-mode cperl-mode python-mode)

Original value was

(emacs-lisp-mode lisp-interaction-mode lisp-mode scheme-mode c++-mode c-mode java-mode perl-mode cperl-mode python-mode)

Documentation:
A list of modes where double quoted strings should be excluded.

You can customize this variable.