diff --git a/src/Barryvdh/Reflection/DocBlock/Tag/ReturnTag.php b/src/Barryvdh/Reflection/DocBlock/Tag/ReturnTag.php
index 990dd1b..65b01e4 100644
--- a/src/Barryvdh/Reflection/DocBlock/Tag/ReturnTag.php
+++ b/src/Barryvdh/Reflection/DocBlock/Tag/ReturnTag.php
@@ -26,7 +26,7 @@ class ReturnTag extends Tag
 {
     /** @var string The raw type component. */
     protected $type = '';
-    
+
     /** @var Collection The parsed type component. */
     protected $types = null;
 
@@ -49,7 +49,7 @@ class ReturnTag extends Tag
     {
         parent::setContent($content);
 
-        $parts = preg_split('/\s+/Su', $this->description, 2);
+        $parts = preg_split('/(?<!,)\s+/Su', $this->description, 2);
 
         // any output is considered a type
         $this->type = $parts[0];
@@ -112,7 +112,7 @@ class ReturnTag extends Tag
 
     /**
      * Returns the type collection.
-     * 
+     *
      * @return void
      */
     protected function getTypesCollection()
diff --git a/src/Barryvdh/Reflection/DocBlock/Type/Collection.php b/src/Barryvdh/Reflection/DocBlock/Type/Collection.php
index 7306399..82d64fa 100644
--- a/src/Barryvdh/Reflection/DocBlock/Type/Collection.php
+++ b/src/Barryvdh/Reflection/DocBlock/Type/Collection.php
@@ -106,7 +106,7 @@ class Collection extends \ArrayObject
         }
 
         // separate the type by the OR operator
-        $type_parts = explode(self::OPERATOR_OR, $type);
+        $type_parts = $this->explode($type);
         foreach ($type_parts as $part) {
             $expanded_type = $this->expand($part);
             if ($expanded_type) {
@@ -114,10 +114,10 @@ class Collection extends \ArrayObject
             }
         }
     }
-    
+
     /**
      * Returns a string representation of the collection.
-     * 
+     *
      * @return string The resolved types across the collection, separated with
      *     {@link self::OPERATOR_OR}.
      */
@@ -126,6 +126,40 @@ class Collection extends \ArrayObject
         return implode(self::OPERATOR_OR, $this->getArrayCopy());
     }
 
+    /**
+     * Analyzes the given union of types and returns separated by OR operator
+     * single types.
+     *
+     * @param string $type The type or union of types
+     *
+     * @return array
+     */
+    protected function explode($type)
+    {
+        $type_parts = [];
+        $curr_type = '';
+        $nest_level = 0;
+
+        foreach (str_split($type) as $char) {
+            if ($char === self::OPERATOR_OR && $nest_level === 0) {
+                $type_parts[] = $curr_type;
+                $curr_type = '';
+            } else {
+                if ($char === '<') {
+                    $nest_level++;
+                } else if ($char === '>') {
+                    $nest_level--;
+                }
+
+                $curr_type .= $char;
+            }
+        }
+
+        $type_parts[] = $curr_type;
+
+        return $type_parts;
+    }
+
     /**
      * Analyzes the given type and returns the FQCN variant.
      *
diff --git a/tests/Barryvdh/Reflection/DocBlock/Tag/ReturnTagTest.php b/tests/Barryvdh/Reflection/DocBlock/Tag/ReturnTagTest.php
index 086919e..92fb58d 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Tag/ReturnTagTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Tag/ReturnTagTest.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * phpDocumentor Return tag test.
- * 
+ *
  * PHP version 5.3
  *
  * @author    Mike van Riel <mike.vanriel@naenius.com>
@@ -96,6 +96,27 @@ class ReturnTagTest extends \PHPUnit_Framework_TestCase
                 'int',
                 array('int'),
                 "Number of Bobs"
+            ),
+            array(
+                'return',
+                'array<int, string> Types of Bobs',
+                'array<int, string>',
+                array('array<int, string>'),
+                'Types of Bobs'
+            ),
+            array(
+                'return',
+                'array<int, string>|string Types of Bobs',
+                'array<int, string>|string',
+                array('array<int, string>', 'string'),
+                'Types of Bobs'
+            ),
+            array(
+                'return',
+                'array<int, string|bool>|string Types of Bobs',
+                'array<int, string|bool>|string',
+                array('array<int, string|bool>', 'string'),
+                'Types of Bobs'
             )
         );
     }
diff --git a/tests/Barryvdh/Reflection/DocBlock/Type/CollectionTest.php b/tests/Barryvdh/Reflection/DocBlock/Type/CollectionTest.php
index 73384fe..f4df904 100644
--- a/tests/Barryvdh/Reflection/DocBlock/Type/CollectionTest.php
+++ b/tests/Barryvdh/Reflection/DocBlock/Type/CollectionTest.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * phpDocumentor Collection Test
- * 
+ *
  * PHP version 5.3
  *
  * @author    Mike van Riel <mike.vanriel@naenius.com>
@@ -16,7 +16,7 @@ use Barryvdh\Reflection\DocBlock\Context;
 
 /**
  * Test class for \Barryvdh\Reflection\DocBlock\Type\Collection
- * 
+ *
  * @covers Barryvdh\Reflection\DocBlock\Type\Collection
  *
  * @author    Mike van Riel <mike.vanriel@naenius.com>
@@ -29,7 +29,7 @@ class CollectionTest extends \PHPUnit_Framework_TestCase
     /**
      * @covers Barryvdh\Reflection\DocBlock\Type\Collection::__construct
      * @covers Barryvdh\Reflection\DocBlock\Type\Collection::getContext
-     * 
+     *
      * @return void
      */
     public function testConstruct()
@@ -42,7 +42,7 @@ class CollectionTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @covers Barryvdh\Reflection\DocBlock\Type\Collection::__construct
-     * 
+     *
      * @return void
      */
     public function testConstructWithTypes()
@@ -53,7 +53,7 @@ class CollectionTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @covers Barryvdh\Reflection\DocBlock\Type\Collection::__construct
-     * 
+     *
      * @return void
      */
     public function testConstructWithNamespace()
@@ -70,7 +70,7 @@ class CollectionTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @covers Barryvdh\Reflection\DocBlock\Type\Collection::__construct
-     * 
+     *
      * @return void
      */
     public function testConstructWithNamespaceAliases()
@@ -89,7 +89,7 @@ class CollectionTest extends \PHPUnit_Framework_TestCase
      *
      * @dataProvider provideTypesToExpand
      * @covers Barryvdh\Reflection\DocBlock\Type\Collection::add
-     * 
+     *
      * @return void
      */
     public function testAdd($fixture, $expected)
@@ -109,7 +109,7 @@ class CollectionTest extends \PHPUnit_Framework_TestCase
      *
      * @dataProvider provideTypesToExpandWithoutNamespace
      * @covers Barryvdh\Reflection\DocBlock\Type\Collection::add
-     * 
+     *
      * @return void
      */
     public function testAddWithoutNamespace($fixture, $expected)
@@ -146,7 +146,7 @@ class CollectionTest extends \PHPUnit_Framework_TestCase
     /**
      * @covers Barryvdh\Reflection\DocBlock\Type\Collection::add
      * @expectedException InvalidArgumentException
-     * 
+     *
      * @return void
      */
     public function testAddWithInvalidArgument()
@@ -197,6 +197,22 @@ class CollectionTest extends \PHPUnit_Framework_TestCase
                 'DocBlock[]|int[]',
                 array($namespace.'DocBlock[]', 'int[]')
             ),
+            array(
+                'array<int, string>',
+                array('array<int, string>')
+            ),
+            array(
+                'array<int, string>|string',
+                array('array<int, string>', 'string')
+            ),
+            array(
+                'array<int, float|bool>|string',
+                array('array<int, float|bool>', 'string')
+            ),
+            array(
+                'array<int, string|array<int, bool>>|array<int, float>|string',
+                array('array<int, string|array<int, bool>>', 'array<int, float>', 'string')
+            ),
             array(
                 'LinkDescriptor::setLink()',
                 array($namespace.'LinkDescriptor::setLink()')