diff --git a/core/modules/views/src/Plugin/views/filter/Combine.php b/core/modules/views/src/Plugin/views/filter/Combine.php
index 3bc05c6..9303024 100644
--- a/core/modules/views/src/Plugin/views/filter/Combine.php
+++ b/core/modules/views/src/Plugin/views/filter/Combine.php
@@ -136,37 +136,44 @@ function opEqual($expression) {
 
   protected function opContains($expression) {
     $placeholder = $this->placeholder();
-    $this->query->addWhereExpression($this->options['group'], "$expression LIKE $placeholder", array($placeholder => '%' . Database::getConnection()->escapeLike($this->value) . '%'));
+    $operator = $this->getConditionOperator('LIKE');
+    $this->query->addWhereExpression($this->options['group'], "$expression $operator $placeholder", array($placeholder => '%' . Database::getConnection()->escapeLike($this->value) . '%'));
   }
 
   protected function opStartsWith($expression) {
     $placeholder = $this->placeholder();
-    $this->query->addWhereExpression($this->options['group'], "$expression LIKE $placeholder", array($placeholder => Database::getConnection()->escapeLike($this->value) . '%'));
+    $operator = $this->getConditionOperator('LIKE');
+    $this->query->addWhereExpression($this->options['group'], "$expression $operator $placeholder", array($placeholder => Database::getConnection()->escapeLike($this->value) . '%'));
   }
 
   protected function opNotStartsWith($expression) {
     $placeholder = $this->placeholder();
-    $this->query->addWhereExpression($this->options['group'], "$expression NOT LIKE $placeholder", array($placeholder => Database::getConnection()->escapeLike($this->value) . '%'));
+    $operator = $this->getConditionOperator('NOT LIKE');
+    $this->query->addWhereExpression($this->options['group'], "$expression $operator $placeholder", array($placeholder => Database::getConnection()->escapeLike($this->value) . '%'));
   }
 
   protected function opEndsWith($expression) {
     $placeholder = $this->placeholder();
-    $this->query->addWhereExpression($this->options['group'], "$expression LIKE $placeholder", array($placeholder => '%' . Database::getConnection()->escapeLike($this->value)));
+    $operator = $this->getConditionOperator('LIKE');
+    $this->query->addWhereExpression($this->options['group'], "$expression $operator $placeholder", array($placeholder => '%' . Database::getConnection()->escapeLike($this->value)));
   }
 
   protected function opNotEndsWith($expression) {
     $placeholder = $this->placeholder();
-    $this->query->addWhereExpression($this->options['group'], "$expression NOT LIKE $placeholder", array($placeholder => '%' . Database::getConnection()->escapeLike($this->value)));
+    $operator = $this->getConditionOperator('NOT LIKE');
+    $this->query->addWhereExpression($this->options['group'], "$expression $operator $placeholder", array($placeholder => '%' . Database::getConnection()->escapeLike($this->value)));
   }
 
   protected function opNotLike($expression) {
     $placeholder = $this->placeholder();
-    $this->query->addWhereExpression($this->options['group'], "$expression NOT LIKE $placeholder", array($placeholder => '%' . Database::getConnection()->escapeLike($this->value) . '%'));
+    $operator = $this->getConditionOperator('NOT LIKE');
+    $this->query->addWhereExpression($this->options['group'], "$expression $operator $placeholder", array($placeholder => '%' . Database::getConnection()->escapeLike($this->value) . '%'));
   }
 
   protected function opRegex($expression) {
     $placeholder = $this->placeholder();
-    $this->query->addWhereExpression($this->options['group'], "$expression REGEXP $placeholder", array($placeholder => $this->value));
+    $operator = $this->getConditionOperator('REGEXP');
+    $this->query->addWhereExpression($this->options['group'], "$expression $operator $placeholder", array($placeholder => $this->value));
   }
 
   protected function opEmpty($expression) {
diff --git a/core/modules/views/src/Plugin/views/filter/StringFilter.php b/core/modules/views/src/Plugin/views/filter/StringFilter.php
index f5f46fc..8008eba 100644
--- a/core/modules/views/src/Plugin/views/filter/StringFilter.php
+++ b/core/modules/views/src/Plugin/views/filter/StringFilter.php
@@ -232,7 +232,20 @@ protected function valueForm(&$form, FormStateInterface $form_state) {
   }
 
   function operator() {
-    return $this->operator == '=' ? 'LIKE' : 'NOT LIKE';
+    return $this->getConditionOperator($this->operator == '=' ? 'LIKE' : 'NOT LIKE');
+  }
+
+  /**
+   * Get specified condition operator mapping value.
+   *
+   * @param string $operator
+   *   Condition operator.
+   * @return string
+   *   Specified condition operator mapping value.
+   */
+  public function getConditionOperator($operator) {
+    $mapping = Database::getConnection()->mapConditionOperator($operator);
+    return isset($mapping['operator']) ? $mapping['operator'] : $operator;
   }
 
   /**