add stringable support for isUuid (#38330)

Author: macbookandrew

src/Illuminate/Support/Stringable.php

@@ -258,6 +258,16 @@ public function isAscii()
         return Str::isAscii($this->value);
     }
 
+    /**
+     * Determine if a given string is a valid UUID.
+     *
+     * @return bool
+     */
+    public function isUuid()
+    {
+        return Str::isUuid($this->value);
+    }
+
     /**
      * Determine if the given string is empty.
      *

tests/Support/SupportStringableTest.php

@@ -31,6 +31,12 @@ public function testIsAscii()
         $this->assertFalse($this->stringable('ù')->isAscii());
     }
 
+    public function testIsUuid()
+    {
+        $this->assertTrue($this->stringable('2cdc7039-65a6-4ac7-8e5d-d554a98e7b15')->isUuid());
+        $this->assertFalse($this->stringable('2cdc7039-65a6-4ac7-8e5d-d554a98')->isUuid());
+    }
+
     public function testIsEmpty()
     {
         $this->assertTrue($this->stringable('')->isEmpty());