Variable: case-fold-search

case-fold-search is a customizable and buffer-local variable defined in buffer.c.

Documentation

Non-nil if searches and matches should ignore case.

View in manual

Probably introduced at or before Emacs version 18.

Source Code

// Defined in /usr/src/emacs/src/buffer.c
  DEFVAR_LISP ("case-fold-search", Vcase_fold_search,
	       doc: /* Non-nil if searches and matches should ignore case.  */);