ossible.
A complete explanation can be found in the manual of GNU grep:
<code>info grep regular</code>.
</p>
<p>Each regular expression in a <samp>nanorc</samp> file should be wrapped in
double quotes (<code>&quot;&quot;</code>).  Multiple regular expressions can follow
each other on a line by separating them with blanks.  This means that
a regular expression cannot contain a double quote followed by a blank.
When you need this combination inside a regular expression,
then either the double quote or the bla