diff --git a/docs/api/graph-clauses.md b/docs/api/graph-clauses.md
index c5f3517..aec2c28 100644
--- a/docs/api/graph-clauses.md
+++ b/docs/api/graph-clauses.md
@@ -181,27 +181,102 @@ Resulting AQL: `WITH users, cities FOR v, e, p ANY "users/1" edge1, INBOUND edge
 
 ## PRUNE
 ```
-prune($leftOperand, $comparisonOperator = null, $rightOperand = null, $logicalOperator = null)
+prune($leftOperand, $comparisonOperator = null, $rightOperand = null, $logicalOperator = null, $pruneVariable)
 ```
 Filter out data not matching the given predicate(s).
 
 **Example - single predicate:**
 ```
-    $qb = new QueryBuilder();
+    $qb = (new QueryBuilder());
     $qb->for(['v', 'e', 'p'], '1..5')
         ->traverse('circles/A', 'OUTBOUND')
         ->graph("traversalGraph")
-        ->prune('e.theTruth' '==' true)
+        ->prune('e.theTruth', '==', true)
         ->return([
             'vertices' => 'p.vertices[*]._key',
             'edges' => 'p.edges[*].label'
-        ]);
+        ])
+        ->get();
 ``` 
 Resulting AQL: 
 ```
-FOR v, e, p IN 1..5 OUTBOUND 'circles/A' GRAPH 'traversalGraph'
+FOR v, e, p IN 1..5 OUTBOUND "circles/A" GRAPH "traversalGraph"'
     PRUNE e.theTruth == true
-    RETURN { vertices: p.vertices[*]._key, edges: p.edges[*].label }
+    RETURN {"vertices":p.vertices[*]._key,"edges":p.edges[*].label}
+```
+
+**Example - multiple predicates:**
+```
+    $qb = (new QueryBuilder());
+    $qb->for(['v', 'e', 'p'], '1..5')
+        ->traverse('circles/A', 'OUTBOUND')
+        ->graph("traversalGraph")
+        ->prune([['e.active', '==', 'true'], ['e.age', '>', 18]])
+        ->return([
+            'vertices' => 'p.vertices[*]._key',
+            'edges' => 'p.edges[*].label'
+        ])
+        ->get();
+``` 
+Resulting AQL:
+```
+FOR v, e, p IN 1..5 OUTBOUND "circles/A" GRAPH "traversalGraph"
+    PRUNE e.active == true AND e.age > 18
+    RETURN {"vertices":p.vertices[*]._key,"edges":p.edges[*].label}
+```
+
+**Example - store condition in variable:**
+```
+    $qb = (new QueryBuilder());
+    $qb->for(['v', 'e', 'p'], '1..5')
+        ->traverse('circles/A', 'OUTBOUND')
+        ->graph("traversalGraph")
+        ->prune(
+            'e.theTruth',
+            '==',
+            true,
+            'OR',
+            'pruneCondition'
+        )
+        ->return([
+            'vertices' => 'p.vertices[*]._key',
+            'edges' => 'p.edges[*].label'
+        ])
+        ->get();
+``` 
+Resulting AQL:
+```
+    FOR v, e, p IN 1..5 OUTBOUND "circles/A" GRAPH "traversalGraph"
+        PRUNE pruneCondition = e.theTruth == true
+        RETURN {"vertices":p.vertices[*]._key,"edges":p.edges[*].label}
+```
+
+
+**Example - multiple predicates stored in variable:**
+```
+    $qb = (new QueryBuilder());
+    $qb->for(['v', 'e', 'p'], '1..5')
+        ->traverse('circles/A', 'OUTBOUND')
+        ->graph("traversalGraph")
+        ->prune(
+            [
+                'e.theTruth',
+                '==',
+                true
+            ],
+            pruneVariable: 'pruneCondition'
+        )
+        ->return([
+            'vertices' => 'p.vertices[*]._key',
+            'edges' => 'p.edges[*].label'
+        ])
+        ->get();
+``` 
+Resulting AQL:
+```
+    FOR v, e, p IN 1..5 OUTBOUND "circles/A" GRAPH "traversalGraph"
+        PRUNE pruneCondition = e.theTruth == true
+        RETURN {"vertices":p.vertices[*]._key,"edges":p.edges[*].label}
 ```
 
 [ArangoDB PRUNE documentation](https://www.arangodb.com/docs/stable/aql/graphs-traversals.html#using-filters-and-the-explainer-to-extrapolate-the-costs)
diff --git a/src/Traits/ValidatesExpressions.php b/src/Traits/ValidatesExpressions.php
index edf12fb..1334468 100644
--- a/src/Traits/ValidatesExpressions.php
+++ b/src/Traits/ValidatesExpressions.php
@@ -129,7 +129,7 @@ public function isId($value): bool
     {
         if (
             is_string($value) &&
-            preg_match("/^[a-zA-Z0-9_-]+\/[a-zA-Z0-9_-]+\/?[a-zA-Z0-9_\-\:\.\@\(\)\+\,\=\;\$\!\*\'\%]+$/", $value)
+            preg_match("/^[a-zA-Z0-9_-]+\/(\/?[a-zA-Z0-9_\-\:\.\@\(\)\+\,\=\;\$\!\*\'\%])+$/", $value)
         ) {
             return true;
         }
diff --git a/tests/Unit/AQL/GraphClausesTest.php b/tests/Unit/AQL/GraphClausesTest.php
index b72a826..b35f2e3 100644
--- a/tests/Unit/AQL/GraphClausesTest.php
+++ b/tests/Unit/AQL/GraphClausesTest.php
@@ -128,23 +128,39 @@ public function testEdgeCollectionListClauseArrayInput()
      */
     public function testPruneClause()
     {
-        $result = (new QueryBuilder())
-            ->for('u', 'users')
-            ->prune('u.active', '==', 'true')
+        $qb = (new QueryBuilder());
+        $qb->for(['v', 'e', 'p'], '1..5')
+            ->traverse('circles/A', 'OUTBOUND')
+            ->graph("traversalGraph")
+            ->prune('e.theTruth', '==', true)
+            ->return([
+                'vertices' => 'p.vertices[*]._key',
+                'edges' => 'p.edges[*].label'
+            ])
             ->get();
-        self::assertEquals('FOR u IN users PRUNE u.active == true', $result->query);
+        self::assertEquals(
+            'FOR v, e, p IN 1..5 OUTBOUND "circles/A" GRAPH "traversalGraph"'
+            . ' PRUNE e.theTruth == true'
+            . ' RETURN {"vertices":p.vertices[*]._key,"edges":p.edges[*].label}',
+            $qb->query
+        );
 
-        $result = (new QueryBuilder())
-            ->for('u', 'Users')
-            ->prune('u.active', '==', 'true', 'OR')
-            ->get();
-        self::assertEquals('FOR u IN Users PRUNE u.active == true', $result->query);
-
-        $result = (new QueryBuilder())
-            ->for('u', 'Users')
-            ->prune('u.active', '==', 'true')
+        $qb = (new QueryBuilder());
+        $qb->for(['v', 'e', 'p'], '1..5')
+            ->traverse('circles/A', 'OUTBOUND')
+            ->graph("traversalGraph")
+            ->prune('e.theTruth', '==', true, 'OR')
+            ->return([
+                'vertices' => 'p.vertices[*]._key',
+                'edges' => 'p.edges[*].label'
+            ])
             ->get();
-        self::assertEquals('FOR u IN Users PRUNE u.active == true', $result->query);
+        self::assertEquals(
+            'FOR v, e, p IN 1..5 OUTBOUND "circles/A" GRAPH "traversalGraph"'
+            . ' PRUNE e.theTruth == true'
+            . ' RETURN {"vertices":p.vertices[*]._key,"edges":p.edges[*].label}',
+            $qb->query
+        );
     }
 
     /**
@@ -152,11 +168,22 @@ public function testPruneClause()
      */
     public function testPruneClauseWithMultiplePredicates()
     {
-        $result = (new QueryBuilder())
-            ->for('u', 'Users')
-            ->prune([['u.active', '==', 'true'], ['u.age', '>', 18]])
-             ->get();
-        self::assertEquals('FOR u IN Users PRUNE u.active == true AND u.age > 18', $result->query);
+        $qb = (new QueryBuilder());
+        $qb->for(['v', 'e', 'p'], '1..5')
+            ->traverse('circles/A', 'OUTBOUND')
+            ->graph("traversalGraph")
+            ->prune([['e.active', '==', 'true'], ['e.age', '>', 18]])
+            ->return([
+                'vertices' => 'p.vertices[*]._key',
+                'edges' => 'p.edges[*].label'
+            ])
+            ->get();
+        self::assertEquals(
+            'FOR v, e, p IN 1..5 OUTBOUND "circles/A" GRAPH "traversalGraph"'
+            . ' PRUNE e.active == true AND e.age > 18'
+            . ' RETURN {"vertices":p.vertices[*]._key,"edges":p.edges[*].label}',
+            $qb->query
+        );
     }
 
     /**
@@ -164,22 +191,78 @@ public function testPruneClauseWithMultiplePredicates()
      */
     public function testPruneClauseWithVariable()
     {
-        $result = (new QueryBuilder())
-            ->for('u', 'users')
-            ->prune('u.active', '==', 'true', null, 'pruneCondition')
+        $qb = (new QueryBuilder());
+        $qb->for(['v', 'e', 'p'], '1..5')
+            ->traverse('circles/A', 'OUTBOUND')
+            ->graph("traversalGraph")
+            ->prune(
+                'e.theTruth',
+                '==',
+                true,
+                'OR',
+                'pruneCondition'
+            )
+            ->return([
+                'vertices' => 'p.vertices[*]._key',
+                'edges' => 'p.edges[*].label'
+            ])
             ->get();
-        self::assertEquals('FOR u IN users PRUNE pruneCondition = u.active == true', $result->query);
+        self::assertEquals(
+            'FOR v, e, p IN 1..5 OUTBOUND "circles/A" GRAPH "traversalGraph"'
+            . ' PRUNE pruneCondition = e.theTruth == true'
+            . ' RETURN {"vertices":p.vertices[*]._key,"edges":p.edges[*].label}',
+            $qb->query
+        );
 
-        $result = (new QueryBuilder())
-            ->for('u', 'Users')
-            ->prune('u.active', '==', 'true', 'OR', 'pruneCondition')
+        $qb = (new QueryBuilder());
+        $qb->for(['v', 'e', 'p'], '1..5')
+            ->traverse('circles/A', 'OUTBOUND')
+            ->graph("traversalGraph")
+            ->prune(
+                [
+                    'e.theTruth',
+                    '==',
+                    true
+                ],
+                pruneVariable: 'pruneCondition'
+            )
+            ->return([
+                'vertices' => 'p.vertices[*]._key',
+                'edges' => 'p.edges[*].label'
+            ])
             ->get();
-        self::assertEquals('FOR u IN Users PRUNE pruneCondition = u.active == true', $result->query);
+        self::assertEquals(
+            'FOR v, e, p IN 1..5 OUTBOUND "circles/A" GRAPH "traversalGraph"'
+            . ' PRUNE pruneCondition = e.theTruth == true'
+            . ' RETURN {"vertices":p.vertices[*]._key,"edges":p.edges[*].label}',
+            $qb->query
+        );
 
-        $result = (new QueryBuilder())
-            ->for('u', 'Users')
-            ->prune(['u.active', '==', 'true'], pruneVariable: 'pruneCondition')
+        $qb = (new QueryBuilder());
+        $qb->for(['v', 'e', 'p'], '1..5')
+            ->traverse('circles/A', 'OUTBOUND')
+            ->graph("traversalGraph")
+            ->prune(
+                [
+                    [
+                        'e.theTruth', '==', true
+                    ],
+                    [
+                        'e.theTruth', '!=', false
+                    ]
+                ],
+                pruneVariable: 'pruneCondition'
+            )
+            ->return([
+                'vertices' => 'p.vertices[*]._key',
+                'edges' => 'p.edges[*].label'
+            ])
             ->get();
-        self::assertEquals('FOR u IN Users PRUNE pruneCondition = u.active == true', $result->query);
+        self::assertEquals(
+            'FOR v, e, p IN 1..5 OUTBOUND "circles/A" GRAPH "traversalGraph"'
+            . ' PRUNE pruneCondition = e.theTruth == true AND e.theTruth != false'
+            . ' RETURN {"vertices":p.vertices[*]._key,"edges":p.edges[*].label}',
+            $qb->query
+        );
     }
 }