<div class="abstract">
                        <p><code>ValidationRule</code> is a class that creates an object which holds validation info of a text field.</p>

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