character; end at
the end of a line or followed by a non-word character).</p>
</dd>
<dt class="hdlist1">-v</dt>
<dt class="hdlist1">--invert-match</dt>
<dd>
<p>Select non-matching lines.</p>
</dd>
<dt class="hdlist1">-h</dt>
<dt class="hdlist1">-H</dt>
<dd>
<p>By default, the command shows the filename for each
match.  <code>-h</code> option is used to suppress this output.
<code>-H</code> is there for completeness and does not do anything
except it overrides <code>-h</code> given earlier on the command
lin