$http_proxy = relayeur_saisie_ou_config(_request('http_proxy'), lire_config('http_proxy', ''));
$http_noproxy = _request('http_noproxy');
- if ($http_proxy AND !preg_match(",https?://,", $http_proxy)){
+ if ($http_proxy AND !tester_url_absolue($http_proxy)){
$erreurs['http_proxy'] = _L('format_proxy_incorrect');
}