Форум

<?if($APPLICATION->GetCurPage() != "/new-buildings/"): ?> 
 <div class="main_left"> 
... 
</div> 
<?endif; //getcurpage?>

<script> 
 $(document).ready(function(){  
   $(".main_left").hide();
});
</script> 

<?$pageArray = array("/new-buildings/", "/old-buildings/", "/flats-sale/", "/");
if(!in_array($APPLICATION->GetCurPage(), $pageArray)):?> 
<div class="main_left"> 
... 
</div> 
<?endif;?>
 

/company/personal/user/1/edit/

$mask = '#/company/personal/user/[0-9]+/edit/#iu';
$page = $APPLICATION->GetCurPage();

if ( preg_match($mask, $page) )
{
   echo 'Отображаем';
}
else
{
   echo 'Не отображаем';
}