:</span>
        <span class="lang-field lang-en">No. of IPs:</span>
        <span class="lang-field lang-cn">IP数量：</span>
      </label>
      <div class="col-sm-12 col-md-8 col-lg-2">
        <input class="form-control" type="number" id="max-ip" min="1" max="5000" value="5">
      </div>
      <label for="ip-regex" class="col-sm-12 col-md-4 col-lg-2 col-form-label">
        <span class="lang-field lang-fa">عبارت منظم:</span>
        <span class="lang-field lang-en">Regular expression:</span