    <div class="form-group">
        <label for="charfilterRegexp">Regular Expression</label>
            <input ng-disabled="viewOnlyModal"
                   ng-model="charfilter.regexp"
                   type="text" class="form-control"
                   id="charfilterRegexp" placeholder="">
    </div>

    <div class="form-group">
        <label for="charfilterReplace">Replacement</label>
            <input ng-disabled="viewOnlyModal"
                   ng-model="charfilter.replace"
                   type="text" class="form-control"
                   id="charfilterReplace" placeholder="">
    </div>