diff --git a/lib/templates/checkbox.mustache b/lib/templates/checkbox.mustache
new file mode 100644
index 00000000000..518e662b2cf
--- /dev/null
+++ b/lib/templates/checkbox.mustache
@@ -0,0 +1,34 @@
+{{!
+    This file is part of Moodle - http://moodle.org/
+
+    Moodle is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Moodle is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+}}
+{{!
+    @template core/checkbox
+
+    Chooser search template.
+
+    Example context (json):
+    {
+        "name": "fullsearch",
+        "id": "fullsearch",
+        "checked": true,
+        "value": "1",
+        "label": "Reset options"
+    }
+}}
+<div class="custom-control custom-checkbox">
+  <input type="checkbox" name={{{ name }}} class="custom-control-input" value={{{ value }}} id="{{{ id }}}" {{#checked}} checked="checked" {{/checked}}>
+  <label class="custom-control-label" for="{{{ id }}}">{{{ label }}}</label>
+</div>
\ No newline at end of file
diff --git a/lib/templates/search_input.mustache b/lib/templates/search_input.mustache
index 48c20f7b65d..5d47c5ee72d 100644
--- a/lib/templates/search_input.mustache
+++ b/lib/templates/search_input.mustache
@@ -62,5 +62,8 @@
             </button>
         </div>
     </div>
+    {{#otherfields}}
+        <div  class="ml-2">{{{ otherfields }}}</div>
+    {{/otherfields}}
 </form>
 </div>
\ No newline at end of file
diff --git a/mod/forum/classes/output/quick_search_form.php b/mod/forum/classes/output/quick_search_form.php
index dc024b51ae8..80f55d45b0f 100644
--- a/mod/forum/classes/output/quick_search_form.php
+++ b/mod/forum/classes/output/quick_search_form.php
@@ -63,11 +63,16 @@ class quick_search_form implements renderable, templatable {
     }
 
     public function export_for_template(renderer_base $output) {
+        $hiddenfields = [
+            (object) ['name' => 'id', 'value' => $this->courseid],
+        ];
         $data = [
-            'actionurl' => $this->actionurl->out(false),
-            'courseid' => $this->courseid,
+            'action' => $this->actionurl->out(false),
+            'hiddenfields' => $hiddenfields,
             'query' => $this->query,
             'helpicon' => $this->helpicon->export_for_template($output),
+            'inputname' => 'search',
+            'searchstring' => get_string('searchforums', 'mod_forum')
         ];
         return $data;
     }
diff --git a/mod/forum/templates/quick_search_form.mustache b/mod/forum/templates/quick_search_form.mustache
index e3d17c51aaa..21b22c6f32c 100644
--- a/mod/forum/templates/quick_search_form.mustache
+++ b/mod/forum/templates/quick_search_form.mustache
@@ -21,27 +21,14 @@
 
     Example context (json):
     {
-        "actionurl": "https://domain.example/mod/forum/search.php",
-        "courseid": "2",
+        "action": "https://domain.example/mod/forum/search.php",
         "helpicon": "<a class='btn'><i class='icon fa fa-question-circle'></i></a>",
-        "query": "find this post"
+        "query": "find this post",
+        "inputname": "search"
     }
 }}
-<div class="forumsearch">
-    <form action="{{actionurl}}" class="form-inline">
-        <input type="hidden" name="id" value="{{courseid}}">
-        <div class="input-group">
-            <div class="input-group-prepend">
-            {{#helpicon}}
-                {{>core/help_icon}}
-            {{/helpicon}}
-            </div>
-            <label class="sr-only" for="search">{{#str}}search, forum{{/str}}</label>
-            <input id="search" name="search" type="text" class="form-control" value="{{query}}">
-            <div class="input-group-append">
-                <button class="btn btn-secondary" id="searchforums" type="submit">{{#str}}searchforums, mod_forum{{/str}}</button>
-            </div>
-        </div>
-
-    </form>
-</div>
+{{#helpicon}}
+    {{>core/help_icon}}
+{{/helpicon}}
+{{< core/search_input }}
+{{/ core/search_input }}
diff --git a/mod/glossary/view.php b/mod/glossary/view.php
index 4c5c8fc8120..adadafe2c0a 100644
--- a/mod/glossary/view.php
+++ b/mod/glossary/view.php
@@ -380,27 +380,35 @@ if ($glossary->intro && $showcommonelements) {
 
 /// Search box
 if ($showcommonelements ) {
-    echo '<form method="post" class="form form-inline mb-1" action="' . $CFG->wwwroot . '/mod/glossary/view.php">';
-
-
-    if ($mode == 'search') {
-        echo '<input type="text" name="hook" size="20" value="'.s($hook).'" alt="'.$strsearch.'" class="form-control"/> ';
-    } else {
-        echo '<input type="text" name="hook" size="20" value="" alt="'.$strsearch.'" class="form-control"/> ';
-    }
-    echo '<input type="submit" value="'.$strsearch.'" name="searchbutton" class="btn btn-secondary mr-1"/> ';
+    $fullsearchchecked = false;
     if ($fullsearch || $mode != 'search') {
-        $fullsearchchecked = 'checked="checked"';
-    } else {
-        $fullsearchchecked = '';
+        $fullsearchchecked = true;
     }
-    echo '<span class="checkbox"><label for="fullsearch">';
-    echo ' <input type="checkbox" name="fullsearch" id="fullsearch" value="1" '.$fullsearchchecked.'/> ';
-    echo '<input type="hidden" name="mode" value="search" />';
-    echo '<input type="hidden" name="id" value="'.$cm->id.'" />';
-    echo $strsearchindefinition.'</label></span>';
 
-    echo '</form>';
+    $check = [
+        'name' => 'fullsearch',
+        'id' => 'fullsearch',
+        'value' => '1',
+        'checked' => $fullsearchchecked,
+        'label' => $strsearchindefinition
+    ];
+
+    $checkbox = $OUTPUT->render_from_template('core/checkbox', $check);
+
+    $hiddenfields = [
+        (object) ['name' => 'id', 'value' => $cm->id],
+        (object) ['name' => 'mode', 'value' => 'search'],
+    ];
+    $data = [
+        'action' => new moodle_url('/mod/glossary/view.php'),
+        'hiddenfields' => $hiddenfields,
+        'otherfields' => $checkbox,
+        'inputname' => 'hook',
+        'query' => ($mode == 'search') ? s($hook) : '',
+        'searchstring' => get_string('search'),
+        'extraclasses' => 'my-2'
+    ];
+    echo $OUTPUT->render_from_template('core/search_input', $data);
 }
 
 /// Show the add entry button if allowed
diff --git a/mod/wiki/lib.php b/mod/wiki/lib.php
index cb42b9f7826..809aaadcf6e 100644
--- a/mod/wiki/lib.php
+++ b/mod/wiki/lib.php
@@ -441,28 +441,36 @@ function wiki_pluginfile($course, $cm, $context, $filearea, $args, $forcedownloa
     }
 }
 
+/**
+ * Search for wiki
+ *
+ * @param stdClass $cm course module object
+ * @param string $search searchword.
+ * @param stdClass $subwiki Optional Subwiki.
+ * @return Search wiki input form
+ */
 function wiki_search_form($cm, $search = '', $subwiki = null) {
-    global $CFG, $OUTPUT;
+    global $OUTPUT;
 
-    $output = '<div class="wikisearch">';
-    $output .= '<form method="post" action="' . $CFG->wwwroot . '/mod/wiki/search.php" style="display:inline">';
-    $output .= '<fieldset class="invisiblefieldset">';
-    $output .= '<legend class="accesshide">'. get_string('searchwikis', 'wiki') .'</legend>';
-    $output .= '<label class="accesshide" for="searchwiki">' . get_string("searchterms", "wiki") . '</label>';
-    $output .= '<input id="searchwiki" name="searchstring" type="text" size="18" value="' . s($search, true) . '" alt="search" />';
-    $output .= '<input name="courseid" type="hidden" value="' . $cm->course . '" />';
-    $output .= '<input name="cmid" type="hidden" value="' . $cm->id . '" />';
+    $hiddenfields = [
+        (object) ['type' => 'hidden', 'name' => 'courseid', 'value' => $cm->course],
+        (object) ['type' => 'hidden', 'name' => 'cmid', 'value' => $cm->id],
+        (object) ['type' => 'hidden', 'name' => 'searchwikicontent', 'value' => 1],
+    ];
     if (!empty($subwiki->id)) {
-        $output .= '<input name="subwikiid" type="hidden" value="' . $subwiki->id . '" />';
+        $hiddenfields[] = (object) ['type' => 'hidden', 'name' => 'subwikiid', 'value' => $subwiki->id];
     }
-    $output .= '<input name="searchwikicontent" type="hidden" value="1" />';
-    $output .= '<input value="' . get_string('searchwikis', 'wiki') . '" class="btn btn-secondary" type="submit" />';
-    $output .= '</fieldset>';
-    $output .= '</form>';
-    $output .= '</div>';
-
-    return $output;
+    $data = [
+        'action' => new moodle_url('/mod/wiki/search.php'),
+        'hiddenfields' => $hiddenfields,
+        'inputname' => 'searchstring',
+        'query' => s($search, true),
+        'searchstring' => get_string('searchwikis', 'wiki'),
+        'extraclasses' => 'mt-2'
+    ];
+    return $OUTPUT->render_from_template('core/search_input', $data);
 }
+
 function wiki_extend_navigation(navigation_node $navref, $course, $module, $cm) {
     global $CFG, $PAGE, $USER;