diff --git a/weboob/backends/arte/browser.py b/weboob/backends/arte/browser.py
index 47e1fbae..f730584a 100644
--- a/weboob/backends/arte/browser.py
+++ b/weboob/backends/arte/browser.py
@@ -31,19 +31,14 @@ __all__ = ['ArteBrowser']
 class ArteBrowser(BaseBrowser):
     DOMAIN = u'videos.arte.tv'
     ENCODING = None
-    PAGES = {r'http://videos.arte.tv/%(lang)s/videos/arte7.*': IndexPage,
-             r'http://videos.arte.tv/%(lang)s/do_search/videos/%(searchlang)s.*': IndexPage,
-             r'http://videos.arte.tv/%(lang)s/videos/(?P<id>.+)\.html': VideoPage
+    PAGES = {r'http://videos.arte.tv/\w+/videos/arte7.*': IndexPage,
+             r'http://videos.arte.tv/\w+/do_search/videos/.*': IndexPage,
+             r'http://videos.arte.tv/\w+/videos/(?P<id>.+)\.html': VideoPage
             }
 
     SEARCH_LANG = {'fr': 'recherche', 'de':'suche', 'en': 'search'}
 
     def __init__(self, lang, quality, *args, **kwargs):
-        last_pages = self.PAGES
-        self.PAGES = {}
-        for url, page in last_pages.iteritems():
-            self.PAGES[url % {'lang': lang, 'searchlang': self.SEARCH_LANG[lang]}] = page
-
         BaseBrowser.__init__(self, *args, **kwargs)
         self.lang = lang
         self.quality = quality
diff --git a/weboob/backends/cragr/browser.py b/weboob/backends/cragr/browser.py
index 3b048a04..00bdd186 100644
--- a/weboob/backends/cragr/browser.py
+++ b/weboob/backends/cragr/browser.py
@@ -25,7 +25,6 @@ import mechanize
 from datetime import datetime
 import re
 
-# Browser
 class Cragr(BaseBrowser):
     PROTOCOL = 'https'
     ENCODING = 'utf-8'
@@ -37,12 +36,12 @@ class Cragr(BaseBrowser):
 
     def __init__(self, website, *args, **kwargs):
         self.DOMAIN = website
-        self.PAGES = {'https://%s/'              % website:   pages.LoginPage,
-                      'https://%s/.*\.c.*'       % website:   pages.AccountsList,
-                      ('https://%s/login/process' % website) + self.SESSION_REGEXP:   pages.AccountsList,
-                      'https://%s/accounting/listAccounts' % website: pages.AccountsList,
-                      'https://%s/accounting/listOperations' % website: pages.AccountsList,
-                      'https://%s/accounting/showAccountDetail.+' % website: pages.AccountsList,
+        self.PAGES = {'https://[^/]+/':                               pages.LoginPage,
+                      'https://[^/]+/.*\.c.*':                        pages.AccountsList,
+                      'https://[^/]+/login/process%s' % self.SESSION_REGEXP:   pages.AccountsList,
+                      'https://[^/]+/accounting/listAccounts':        pages.AccountsList,
+                      'https://[^/]+/accounting/listOperations':      pages.AccountsList,
+                      'https://[^/]+/accounting/showAccountDetail.+': pages.AccountsList,
                      }
         BaseBrowser.__init__(self, *args, **kwargs)
 
diff --git a/weboob/backends/gazelle/browser.py b/weboob/backends/gazelle/browser.py
index 5c525530..36286a56 100644
--- a/weboob/backends/gazelle/browser.py
+++ b/weboob/backends/gazelle/browser.py
@@ -28,18 +28,14 @@ __all__ = ['GazelleBrowser']
 
 
 class GazelleBrowser(BaseBrowser):
-    PAGES = {'https?://%s/?(index.php)?':  IndexPage,
-             'https?://%s/login.php':      LoginPage,
-             'https?://%s/torrents.php.*': TorrentsPage,
+    PAGES = {'https?://[^/]+/?(index.php)?':  IndexPage,
+             'https?://[^/]+/login.php':      LoginPage,
+             'https?://[^/]+/torrents.php.*': TorrentsPage,
             }
 
     def __init__(self, protocol, domain, *args, **kwargs):
         self.DOMAIN = domain
         self.PROTOCOL = protocol
-        self.PAGES = {}
-        for key, value in GazelleBrowser.PAGES.iteritems():
-            self.PAGES[key % domain] = value
-
         BaseBrowser.__init__(self, *args, **kwargs)
 
     def login(self):
diff --git a/weboob/backends/piratebay/browser.py b/weboob/backends/piratebay/browser.py
index 51c8cc9d..3f41e277 100644
--- a/weboob/backends/piratebay/browser.py
+++ b/weboob/backends/piratebay/browser.py
@@ -18,6 +18,8 @@
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
 
+import urllib
+
 from weboob.tools.browser import BaseBrowser
 
 from .pages.index import IndexPage
@@ -37,33 +39,11 @@ class PiratebayBrowser(BaseBrowser):
              'https://thepiratebay.org/torrent/.*' : TorrentPage
              }
 
-    def __init__(self, *args, **kwargs):
-        #self.DOMAIN = domain
-        #self.PROTOCOL = protocol
-        #self.PAGES = {}
-        #for key, value in PiratebayBrowser.PAGES.iteritems():
-        #    self.PAGES[key % domain] = value
-
-        BaseBrowser.__init__(self, *args, **kwargs)
-
-    #def login(self):
-    #    if not self.is_on_page(LoginPage):
-    #        self.home()
-    #    self.page.login(self.username, self.password)
-
-    #def is_logged(self):
-    #    if not self.page or self.is_on_page(LoginPage):
-    #        return False
-    #    if self.is_on_page(IndexPage):
-    #        return self.page.is_logged()
-    #    return True
-
     def home(self):
         return self.location('https://thepiratebay.org')
 
     def iter_torrents(self, pattern):
-        #self.location(self.buildurl('/torrents.php', searchstr=pattern))
-        self.location('https://thepiratebay.org/search/%s/0/7/0' % pattern.encode('utf-8'))
+        self.location('https://thepiratebay.org/search/%s/0/7/0' % urllib.quote_plus(pattern.encode('utf-8')))
 
         assert self.is_on_page(TorrentsPage)
         return self.page.iter_torrents()