diff --git a/src/Processor/FilterProcessor.php b/src/Processor/FilterProcessor.php
index 25eb147..6de82f0 100644
--- a/src/Processor/FilterProcessor.php
+++ b/src/Processor/FilterProcessor.php
@@ -19,6 +19,16 @@ public function process($src, OperationInterface $operation)
         $value = $operation->getValue();
         $operator = $operation->getOperator();
         $field = $operation->getField();
+        if($operator == FilterOperation::STR_STARTS_WITH){
+            $operator = FilterOperation::OPERATOR_LIKE;
+            $value  = $value."%";
+        }else if($operator == FilterOperation::STR_ENDS_WITH){
+            $operator = FilterOperation::OPERATOR_LIKE;
+            $value  = "%".$value;
+        }else if($operator == FilterOperation::STR_CONTAINS){
+            $operator = FilterOperation::OPERATOR_LIKE;
+            $value  = "%".$value."%";
+        }
         $src->where($field, $operator, $value);
         return $src;
     }