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### 37.2 DocView Searching

In DocView mode, you can search the file’s text for a regular expression (see Regexps). The interface for searching is inspired by `isearch` (see Incremental Search).

To begin a search, type `C-s` (`doc-view-search`) or `C-r` (`doc-view-search-backward`). This reads a regular expression using a minibuffer, then echoes the number of matches found within the document. You can move forward and back among the matches by typing `C-s` and `C-r`. DocView mode has no way to show the match inside the page image; instead, it displays a tooltip (at the mouse position) listing all matching lines in the current page. To force display of this tooltip, type `C-t` (`doc-view-show-tooltip`).

To start a new search, use the search command with a prefix argument; i.e., `C-u C-s` for a forward search or `C-u C-r` for a backward search.