 a subclass of <code><a href="Classes/RegexRule.html">RegexRule</a></code>. It is used to verify whether a field is a hexadecimal color.</p>

                        <a href="Classes/HexColorRule.html" class="slightly-smaller">See more</a>
                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highli