diff --git a/src/Illuminate/Support/Str.php b/src/Illuminate/Support/Str.php
index ee1547d4f002..bf5266069066 100644
--- a/src/Illuminate/Support/Str.php
+++ b/src/Illuminate/Support/Str.php
@@ -3,6 +3,8 @@
 namespace Illuminate\Support;
 
 use Closure;
+use Egulias\EmailValidator\EmailValidator;
+use Egulias\EmailValidator\Validation\RFCValidation;
 use Illuminate\Support\Traits\Macroable;
 use JsonException;
 use League\CommonMark\Environment\Environment;
@@ -2011,6 +2013,19 @@ public static function freezeUlids(?Closure $callback = null)
         return $ulid;
     }
 
+    /**
+     * Determine if a given value is a valid Email.
+     *
+     * @param  mixed  $value
+     * @return bool
+     */
+    public static function isEmail(string $value): bool
+    {
+        $validator = new EmailValidator();
+
+        return $validator->isValid($value, new RFCValidation());
+    }
+
     /**
      * Remove all strings from the casing caches.
      *
diff --git a/tests/Support/SupportStrTest.php b/tests/Support/SupportStrTest.php
index 9f930a73250d..3e783941c355 100755
--- a/tests/Support/SupportStrTest.php
+++ b/tests/Support/SupportStrTest.php
@@ -1637,6 +1637,48 @@ public function testChopEnd()
             $this->assertSame($expected, Str::chopEnd($subject, $needle));
         }
     }
+
+    public function testValidEmails()
+    {
+        // Standard valid email formats according to RFC 5322
+        $this->assertTrue(Str::isEmail('example@laravel.com'));
+        $this->assertTrue(Str::isEmail('user.name+alias@domain.co.uk'));
+        $this->assertTrue(Str::isEmail('123456@domain.com'));
+        $this->assertTrue(Str::isEmail('user@sub.domain.com'));
+        $this->assertTrue(Str::isEmail('a@b.co'));
+        $this->assertTrue(Str::isEmail('user@domain.org'));
+        $this->assertTrue(Str::isEmail('user_name@domain.com'));
+        $this->assertTrue(Str::isEmail('user-name@domain.io'));
+        $this->assertTrue(Str::isEmail('user@localhost'));
+        $this->assertTrue(Str::isEmail('user@123.123.123.123'));
+        $this->assertTrue(Str::isEmail('"user@name"@example.com'));
+        $this->assertTrue(Str::isEmail('"john.doe"@example.com'));
+        $this->assertTrue(Str::isEmail('very.common@example.com'));
+        $this->assertTrue(Str::isEmail('disposable.style.email.with+symbol@example.com'));
+        $this->assertTrue(Str::isEmail('user@domain.toolongtld'));
+        $this->assertTrue(Str::isEmail('user@domain.c'));
+        $this->assertTrue(Str::isEmail('user@[192.168.1.1]'));
+
+        $this->assertFalse(Str::isEmail('plainaddress'));
+        $this->assertFalse(Str::isEmail('@missinglocal.com'));
+        $this->assertFalse(Str::isEmail('username@.com'));
+        $this->assertFalse(Str::isEmail('username@com.'));
+        $this->assertFalse(Str::isEmail('username@domain..com'));
+        $this->assertFalse(Str::isEmail('user@domain,com'));
+        $this->assertFalse(Str::isEmail('user@domain@another.com'));
+        $this->assertFalse(Str::isEmail('username@-domain.com'));
+        $this->assertFalse(Str::isEmail('username@domain-.com'));
+        $this->assertFalse(Str::isEmail('user@domain.com '));
+        $this->assertFalse(Str::isEmail(' user@domain.com'));
+        $this->assertFalse(Str::isEmail('username@domain.com#'));
+        $this->assertFalse(Str::isEmail('username@domain..com'));
+        $this->assertFalse(Str::isEmail('user@sub..domain.com'));
+        $this->assertFalse(Str::isEmail('user@.com'));
+        $this->assertFalse(Str::isEmail('"user@name"@example..com'));
+        $this->assertFalse(Str::isEmail('user.@domain.com'));
+        $this->assertFalse(Str::isEmail('user..name@domain.com'));
+        $this->assertFalse(Str::isEmail('user@sub_domain.com'));
+    }
 }
 
 class StringableObjectStub