Upgrade URL pattern for Str::isUrl() (#5917)

Author: huangdijia

tests/Cases/ValidationValidatorTest.php

@@ -2515,6 +2515,7 @@ public static function validUrls()
             ['http://localhost/url.php'],
             ['http://local.dev'],
             ['http://google.com'],
+            ['http://goog_le.com'],
             ['http://www.google.com'],
             ['https://google.com'],
             ['http://illuminate.dev'],
@@ -2540,7 +2541,6 @@ public static function invalidUrls()
             ['://google.com'],
             ['http ://google.com'],
             ['http:/google.com'],
-            ['http://goog_le.com'],
             ['http://google.com::aa'],
             ['http://google.com:aa'],
             ['http://127.0.0.1:aa'],