comint-use-prompt-regexpcomint-use-prompt-regexp is a variable defined in `
comint.el'. Its value is
nilDocumentation: If non-nil, use `comint-prompt-regexp' to recognize prompts. If nil, then program output and user-input are given different `field' properties, which Emacs commands can use to distinguish them (in particular, common movement commands such as `beginning-of-line' respect field boundaries in a natural way). You can customize this variable.