diff --git a/src/Illuminate/Support/Str.php b/src/Illuminate/Support/Str.php
index 30dfb411107f..dfadbb605164 100644
--- a/src/Illuminate/Support/Str.php
+++ b/src/Illuminate/Support/Str.php
@@ -687,6 +687,28 @@ public static function isUlid($value)
         return Ulid::isValid($value);
     }
 
+    /**
+     * Determine if the given string is empty.
+     *
+     * @param  string  $value
+     * @return bool
+     */
+    public static function isEmpty($value)
+    {
+        return $value === '';
+    }
+
+    /**
+     * Determine if the given string is not empty.
+     *
+     * @param  string  $value
+     * @return bool
+     */
+    public static function isNotEmpty($value)
+    {
+        return $value !== '';
+    }
+
     /**
      * Convert a string to kebab case.
      *
diff --git a/tests/Support/SupportStrTest.php b/tests/Support/SupportStrTest.php
index fd98244285bf..b77910df6a1c 100755
--- a/tests/Support/SupportStrTest.php
+++ b/tests/Support/SupportStrTest.php
@@ -708,6 +708,26 @@ public function testIsJson()
         $this->assertFalse(Str::isJson([]));
     }
 
+    public function testIsEmpty()
+    {
+        $this->assertTrue(Str::isEmpty(''));
+        $this->assertFalse(Str::isEmpty('0'));
+        $this->assertFalse(Str::isEmpty(' '));
+        $this->assertFalse(Str::isEmpty('hello'));
+        $this->assertFalse(Str::isEmpty('false'));
+        $this->assertFalse(Str::isEmpty('null'));
+    }
+
+    public function testIsNotEmpty()
+    {
+        $this->assertFalse(Str::isNotEmpty(''));
+        $this->assertTrue(Str::isNotEmpty('0'));
+        $this->assertTrue(Str::isNotEmpty(' '));
+        $this->assertTrue(Str::isNotEmpty('hello'));
+        $this->assertTrue(Str::isNotEmpty('false'));
+        $this->assertTrue(Str::isNotEmpty('null'));
+    }
+
     public function testIsMatch()
     {
         $this->assertTrue(Str::isMatch('/.*,.*!/', 'Hello, Laravel!'));