tax.basic_extended.repeats">Repeats:</a>
      </h5>
<p>
        Any atom (a single character, a marked sub-expression, or a character class)
        can be repeated with the <code class="computeroutput"><span class="special">*</span></code>,
        <code class="computeroutput"><span class="special">+</span></code>, <code class="computeroutput"><span class="special">?</span></code>,
        and <code class="computeroutput"><span class="special">{}</span></code> operators.
      </p>
<p>
        The <code c