Restrict the allowed characters between the brackets. This is necessa…

…ry because it might include nested brackets. (laravel#44908)

"[13804] [Fri Nov 11 16:37:08 2022] [::1]" would resolve into "[Fri Nov 11 16:37:08 2022] [::1"

src/Illuminate/Foundation/Console/ServeCommand.php

@@ -300,7 +300,7 @@ protected function handleProcessOutput()
     protected function getDateFromLine($line)
     {
         $regex = env('PHP_CLI_SERVER_WORKERS', 1) > 1
-            ? '/^\[\d+]\s\[(.*)]/'
+            ? '/^\[\d+]\s\[([a-zA-Z0-9: ]+)\]/'
             : '/^\[([^\]]+)\]/';
 
         preg_match($regex, $line, $matches);