diff --git a/src/Annotation/PatternAsciiSlug.php b/src/Annotation/PatternAsciiSlug.php
new file mode 100644
index 00000000..07fd6334
--- /dev/null
+++ b/src/Annotation/PatternAsciiSlug.php
@@ -0,0 +1,29 @@
+<?php
+
+/**
+ * It's free open-source software released under the MIT License.
+ *
+ * @author Anatoly Nekhay <afenric@gmail.com>
+ * @copyright Copyright (c) 2018, Anatoly Nekhay
+ * @license https://github.com/sunrise-php/http-router/blob/master/LICENSE
+ * @link https://github.com/sunrise-php/http-router
+ */
+
+declare(strict_types=1);
+
+namespace Sunrise\Http\Router\Annotation;
+
+use Attribute;
+use Sunrise\Http\Router\Dictionary\VariablePattern;
+
+/**
+ * @since 3.0.0
+ */
+#[Attribute(Attribute::TARGET_CLASS | Attribute::TARGET_METHOD | Attribute::IS_REPEATABLE)]
+final class PatternAsciiSlug extends Pattern
+{
+    public function __construct(string $variableName)
+    {
+        parent::__construct($variableName, VariablePattern::ASCII_SLUG);
+    }
+}
diff --git a/src/Annotation/PatternPositiveInt.php b/src/Annotation/PatternPositiveInt.php
new file mode 100644
index 00000000..1fbf4964
--- /dev/null
+++ b/src/Annotation/PatternPositiveInt.php
@@ -0,0 +1,29 @@
+<?php
+
+/**
+ * It's free open-source software released under the MIT License.
+ *
+ * @author Anatoly Nekhay <afenric@gmail.com>
+ * @copyright Copyright (c) 2018, Anatoly Nekhay
+ * @license https://github.com/sunrise-php/http-router/blob/master/LICENSE
+ * @link https://github.com/sunrise-php/http-router
+ */
+
+declare(strict_types=1);
+
+namespace Sunrise\Http\Router\Annotation;
+
+use Attribute;
+use Sunrise\Http\Router\Dictionary\VariablePattern;
+
+/**
+ * @since 3.0.0
+ */
+#[Attribute(Attribute::TARGET_CLASS | Attribute::TARGET_METHOD | Attribute::IS_REPEATABLE)]
+final class PatternPositiveInt extends Pattern
+{
+    public function __construct(string $variableName)
+    {
+        parent::__construct($variableName, VariablePattern::POSITIVE_INT);
+    }
+}
diff --git a/src/Dictionary/VariablePattern.php b/src/Dictionary/VariablePattern.php
index 69532fff..1b499de5 100644
--- a/src/Dictionary/VariablePattern.php
+++ b/src/Dictionary/VariablePattern.php
@@ -18,5 +18,7 @@
  */
 final class VariablePattern
 {
+    public const POSITIVE_INT = '[0-9]+';
+    public const ASCII_SLUG = '[0-9A-Za-z]+(?:-[0-9A-Za-z]+)*';
     public const UUID = '[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}';
 }