                 matches are found. Returns the number of matches found.
                  </p>
                </td>
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                  <p>
                    <code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
                    <span class="identifier">Grep</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special">&lt;</span><span class="