Added support for multiple capturing groups to Regex strategy.

Author: Bilge

src/Strategy/Regex.php

@@ -8,14 +8,21 @@
  */
 final class Regex extends Delegate
 {
-    public function __construct($expression, private readonly string $regex, private readonly int $capturingGroup = 0)
-    {
+    public function __construct(
+        $expression,
+        private readonly string $regex,
+        private readonly int|array $capturingGroup = 0,
+    ) {
         parent::__construct($expression);
     }
 
     public function __invoke($data, $context = null)
     {
         if (preg_match($this->regex, parent::__invoke($data, $context), $matches)) {
+            if (is_array($this->capturingGroup)) {
+                return array_values(array_intersect_key($matches, array_flip($this->capturingGroup)));
+            }
+
             return $matches[$this->capturingGroup];
         }
     }

test/Unit/Mapper/Strategy/RegexTest.php

@@ -22,4 +22,11 @@ public function testRegexNonMatch(): void
 
         self::assertNull($regex([]));
     }
+
+    public function testRegexMatchArray(): void
+    {
+        $regex = (new Regex('Alfa Beta Charlie', '[(A\w+).+?(C\w+)]', [1, 2]))->setMapper(MockFactory::mockMapperEcho());
+
+        self::assertSame(['Alfa', 'Charlie'], $regex([]));
+    }
 }