 forward, case-insensitive, and for literal strings.  But one
can search backwards by pressing <kbd>M-B</kbd>, search case sensitively with <kbd>M-C</kbd>,
and interpret regular expressions in the search string with <kbd>M-R</kbd>.
</p>
<p>A regular expression in a search string always covers just one line;
it cannot span multiple lines.  And when replacing (with <kbd>^\</kbd> or <kbd>M-R</kbd>)
the replacement string cannot contain a newline (LF).
</p>
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<span id="Using-the-Mouse"></span><span id="Using