A couple of the Isearch+ features that let you limit the search space/context.
You can limit isearching to the text in the region. Controlled by a user option, and can be toggled with C-x n during Isearch. Works also for a noncontiguous region, such as a rectangle.
You can switch any time to isearching outside, instead of inside, the region.
You can search within/without the zones of text defined by the lazy-highlight matches of a previous search.
Or search within/without the zones of text that have a certain text property or set of properties (optionally considering their values) – any properties.
A couple of the Isearch+ features that let you limit the search space/context.
You can limit isearching to the text in the region. Controlled by a user option, and can be toggled with
C-x n during Isearch. Works also for a noncontiguous region, such as a rectangle.You can switch any time to isearching outside, instead of inside, the region.
You can search within/without the zones of text defined by the lazy-highlight matches of a previous search.
Or search within/without the zones of text that have a certain text property or set of properties (optionally considering their values) – any properties.
Isearch+
Dynamic Isearch Filtering