Issue #3500182 - Add new examples

Related to #3500182

fapiv_example/src/Form/SimpleForm.php

@@ -46,6 +46,38 @@ class SimpleForm extends FormBase {
       '#required' => TRUE,
     ];
 
+    $form['mail'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('Email'),
+      '#description' => $this->t('Email must be valid e-mail address.'),
+      '#validators' => ['email'],
+      '#required' => TRUE,
+    ];
+
+    $form['range'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('Range'),
+      '#description' => $this->t('The value should be between 0 and 100.'),
+      '#validators' => ['rule' => 'range[0, 100]'],
+      '#required' => TRUE,
+    ];
+
+    $form['ip'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('IP address'),
+      '#description' => $this->t('The value should be valid IP address. e.g. 127.0.0.1'),
+      '#validators' => ['ipv4'],
+      '#required' => TRUE,
+    ];
+
+    $form['url'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('URL'),
+      '#description' => $this->t('The value should be valid absolute URL. e.g. http://example.com'),
+      '#validators' => ['url[absolute]'],
+      '#required' => TRUE,
+    ];
+
     // Group submit handlers in an actions element with a key of "actions" so
     // that it gets styled correctly, and so that other modules may add actions
     // to the form. This is not required, but is convention.