diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index bfe54a7..9c6150d 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -60,6 +60,8 @@ private function addUserNode()
               ->scalarNode('filter')->end()
               ->scalarNode('name_attribute')->defaultValue('uid')->end()
               ->variableNode('attributes')->defaultValue(array())->end()
+              ->scalarNode('name_regex_pattern')->end()
+              ->scalarNode('name_regex_replacement')->end()
           ->end()
           ;
 
diff --git a/Manager/LdapManagerUser.php b/Manager/LdapManagerUser.php
index 15c83fc..b35ae90 100644
--- a/Manager/LdapManagerUser.php
+++ b/Manager/LdapManagerUser.php
@@ -116,13 +116,19 @@ private function addLdapUser()
             ? $this->params['user']['filter']
             : '';
 
+        $username = $this->username;
+
+        if(isset($this->params['user']['name_regex_pattern']) && isset($this->params['user']['name_regex_replacement'])){
+            $username = preg_replace($this->params['user']['name_regex_pattern'], $this->params['user']['name_regex_replacement'], $username);
+        }
+
         $entries = $this->ldapConnection
             ->search(array(
                 'base_dn' => $this->params['user']['base_dn'],
                 'filter' => sprintf('(&%s(%s=%s))',
                                     $filter,
                                     $this->params['user']['name_attribute'],
-                                    $this->ldapConnection->escape($this->username)
+                                    $this->ldapConnection->escape($username)
                 )
             ));
 
@@ -144,7 +150,7 @@ private function addLdapRoles()
         if (null === $this->ldapUser) {
             throw new \RuntimeException('Cannot assign LDAP roles before authenticating user against LDAP');
         }
-        
+
         $this->ldapUser['roles'] = array();
 
         if (!isset($this->params['role'])) {
diff --git a/README.md b/README.md
index 3083853..60f223f 100644
--- a/README.md
+++ b/README.md
@@ -70,7 +70,7 @@ security:
   providers:
     ldap:
       id: imag_ldap.security.user.provider
-                
+
   encoders:
     IMAG\LdapBundle\User\LdapUser: plaintext
 
@@ -92,6 +92,8 @@ imag_ldap:
   user:
     base_dn: ou=people,dc=host,dc=foo
 #    filter: (&(foo=bar)(ObjectClass=Person)) #Optional
+#    name_regex_pattern: '#^[^\\]*\\(.*)$#' #Optional
+#    name_regex_replacement: '$1' #Optional
     name_attribute: uid
   role:
     base_dn: ou=group, dc=host, dc=foo
@@ -156,7 +158,7 @@ security:
     providers:
         multiples:
             chain:
-                providers: [ldap, db]          
+                providers: [ldap, db]
         ldap:
             id: imag_ldap.security.user.provider
         db:
@@ -169,7 +171,7 @@ security:
 ``` yml
 # app/config/security.yml
 
-providers: [db, ldap]          
+providers: [db, ldap]
 ```
 
 ### Subscribe to PRE_BIND event
diff --git a/User/LdapUser.php b/User/LdapUser.php
index f36de76..2d10200 100644
--- a/User/LdapUser.php
+++ b/User/LdapUser.php
@@ -8,9 +8,9 @@ class LdapUser implements LdapUserInterface
 {
     protected $username,
         $email,
-        $roles,
+        $roles = array(),
         $dn,
-        $attributes
+        $attributes = array()
         ;
 
     public function getRoles()