diff --git a/htdocs/admin/boutique.php b/htdocs/admin/boutique.php
index ff11e57605c..0e6ce1b1f1c 100644
--- a/htdocs/admin/boutique.php
+++ b/htdocs/admin/boutique.php
@@ -182,7 +182,7 @@ print "<tr ".$bc[$var].">";
 print "<td>".$langs->trans("Password")."</td>";
 print "<td><input type=\"password\" class=\"flat\" name=\"oscommerce_dbpass\" value=\"" . ($_POST["oscommerce_dbpass"]?$_POST["oscommerce_dbpass"]:$conf->global->OSC_DB_PASS) . "\" size=\"30\"></td>";
 print '<td>';
-//if ($dolibarr_main_db_pass) print '__dolibarr_main_db_pass__ <i>('.eregi_replace('.','*',$dolibarr_main_db_pass).')</i>';
+//if ($dolibarr_main_db_pass) print '__dolibarr_main_db_pass__ <i>('.preg_replace('/./i','*',$dolibarr_main_db_pass).')</i>';
 print '&nbsp;</td>';
 print "</tr>";
 $var=!$var;
@@ -190,7 +190,7 @@ print "<tr ".$bc[$var].">";
 print "<td>".$langs->trans("PasswordRetype")."</td>";
 print "<td><input type=\"password\" class=\"flat\" name=\"oscommerce_dbpass2\" value=\"" . ($_POST["oscommerce_dbpass2"]?$_POST["oscommerce_dbpass2"]:$conf->global->OSC_DB_PASS) ."\" size=\"30\"></td>";
 print '<td>';
-//if ($dolibarr_main_db_pass) print '__dolibarr_main_db_pass__ <i>('.eregi_replace('.','*',$dolibarr_main_db_pass).')</i>';
+//if ($dolibarr_main_db_pass) print '__dolibarr_main_db_pass__ <i>('.preg_replace('/./i','*',$dolibarr_main_db_pass).')</i>';
 print '&nbsp;</td>';
 print "</tr>";
 print "</table>";
diff --git a/htdocs/admin/boxes.php b/htdocs/admin/boxes.php
index a16ce4d8138..dbb79c53b0f 100644
--- a/htdocs/admin/boxes.php
+++ b/htdocs/admin/boxes.php
@@ -32,7 +32,7 @@ $langs->load("admin");
 if (!$user->admin)
   accessforbidden();
 
-// Définition des positions possibles pour les boites
+// D�finition des positions possibles pour les boites
 $pos_array = array(0);                             // Positions possibles pour une boite (0,1,2,...)
 $pos_name = array(0=>$langs->trans("Home"));       // Nom des positions 0=Homepage, 1=...
 $boxes = array();
@@ -170,7 +170,7 @@ if ($resql)
 		array_push($actives,$obj->box_id);
 
 		if ($obj->box_order == '' || $obj->box_order == '0' || $decalage) $decalage++;
-		// On renumérote l'ordre des boites si l'une d'elle est à ''
+		// On renum�rote l'ordre des boites si l'une d'elle est � ''
 		// This occurs just after an insert.
 		if ($decalage)
 		{
@@ -261,7 +261,7 @@ if ($resql)
 	{
 		$obj = $db->fetch_object($resql);
 	
-		$module=eregi_replace('.php$','',$obj->file);
+		$module=preg_replace('/.php$/i','',$obj->file);
 		include_once(DOL_DOCUMENT_ROOT."/includes/boxes/".$module.".php");
 	
 		$box=new $module($db,$obj->note);
@@ -269,7 +269,7 @@ if ($resql)
 //		if (in_array($obj->rowid, $actives) && $box->box_multiple <> 1)
 		if (in_array($obj->rowid, $actives))
 		{
-			// La boite est déjà activée
+			// La boite est deja activee
 		}
 		else
 		{
@@ -277,7 +277,7 @@ if ($resql)
 	
 			print '<form action="'.$_SERVER["PHP_SELF"].'" method="POST">';
 			print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
-			$logo=eregi_replace("^object_","",$box->boximg);
+			$logo=preg_replace("/^object_/i","",$box->boximg);
 			print '<tr '.$bc[$var].'>';
 			print '<td>'.img_object("",$logo).' '.$box->boxlabel.'</td>';
 			print '<td>' . ($obj->note?$obj->note:'&nbsp;') . '</td>';
@@ -303,7 +303,7 @@ if ($resql)
 print '</table>';
 
 /*
- * Boites activées
+ * Boites activ�es
  *
  */
 
@@ -346,11 +346,11 @@ if ($resql)
 		$var = ! $var;
 		$objnext = $db->fetch_object($resql);
 	
-		$module=eregi_replace('.php$','',$obj->file);
+		$module=preg_replace('/.php$/i','',$obj->file);
 		include_once(DOL_DOCUMENT_ROOT."/includes/boxes/".$module.".php");
 		$box=new $module($db,$obj->note);
 	
-		$logo=eregi_replace("^object_","",$box->boximg);
+		$logo=preg_replace("/^object_/i","",$box->boximg);
 		print '<tr '.$bc[$var].'>';
 		print '<td>'.img_object("",$logo).' '.$box->boxlabel.'</td>';
 		print '<td>' . ($obj->note?$obj->note:'&nbsp;') . '</td>';
diff --git a/htdocs/admin/dict.php b/htdocs/admin/dict.php
index 2e358869c15..fad652a2fc0 100644
--- a/htdocs/admin/dict.php
+++ b/htdocs/admin/dict.php
@@ -484,8 +484,8 @@ if ($_GET["id"])
 		}
 		$sql.=", ";
 		// Remove from default sort order the choosed order
-		$tabsqlsort[$_GET["id"]]=eregi_replace($_GET["sortfield"].' '.$_GET["sortorder"].',','',$tabsqlsort[$_GET["id"]]);
-		$tabsqlsort[$_GET["id"]]=eregi_replace($_GET["sortfield"].',','',$tabsqlsort[$_GET["id"]]);
+		$tabsqlsort[$_GET["id"]]=preg_replace('/'.$_GET["sortfield"].' '.$_GET["sortorder"].',/i','',$tabsqlsort[$_GET["id"]]);
+		$tabsqlsort[$_GET["id"]]=preg_replace('/'.$_GET["sortfield"].',/i','',$tabsqlsort[$_GET["id"]]);
 	}
 	else {
 		$sql.=" ORDER BY ";
diff --git a/htdocs/admin/ldap.php b/htdocs/admin/ldap.php
index 6accafca68b..d824a3beee0 100644
--- a/htdocs/admin/ldap.php
+++ b/htdocs/admin/ldap.php
@@ -270,13 +270,13 @@ if (function_exists("ldap_connect"))
 				if ($result == 2)
 				{
 					print img_picto('','info').' ';
-					print '<font class="ok">'.$langs->trans("LDAPBindOK",$conf->global->LDAP_SERVER_HOST,$conf->global->LDAP_SERVER_PORT,$conf->global->LDAP_ADMIN_DN,eregi_replace('.','*',$conf->global->LDAP_ADMIN_PASS)).'</font>';
+					print '<font class="ok">'.$langs->trans("LDAPBindOK",$conf->global->LDAP_SERVER_HOST,$conf->global->LDAP_SERVER_PORT,$conf->global->LDAP_ADMIN_DN,preg_replace('/./i','*',$conf->global->LDAP_ADMIN_PASS)).'</font>';
 					print '<br>';
 				}
 				else
 				{
 					print img_picto('','error').' ';
-					print '<font class="error">'.$langs->trans("LDAPBindKO",$conf->global->LDAP_SERVER_HOST,$conf->global->LDAP_SERVER_PORT,$conf->global->LDAP_ADMIN_DN,eregi_replace('.','*',$conf->global->LDAP_ADMIN_PASS)).'</font>';
+					print '<font class="error">'.$langs->trans("LDAPBindKO",$conf->global->LDAP_SERVER_HOST,$conf->global->LDAP_SERVER_PORT,$conf->global->LDAP_ADMIN_DN,preg_replace('/./i','*',$conf->global->LDAP_ADMIN_PASS)).'</font>';
 					print '<br>';
 					print $langs->trans("Error").' '.$ldap->error;
 					print '<br>';
diff --git a/htdocs/admin/mantis.php b/htdocs/admin/mantis.php
index ab587561133..51f5b9de61a 100644
--- a/htdocs/admin/mantis.php
+++ b/htdocs/admin/mantis.php
@@ -182,7 +182,7 @@ print "<tr class=\"impair\">";
 print "<td>".$langs->trans("Password")."</td>";
 print "<td><input type=\"password\" class=\"flat\" name=\"phpmantis_pass\" value=\"" . ($_POST["phpmantis_pass"]?$_POST["phpmantis_pass"]:$conf->global->PHPMANTIS_PASS) . "\" size=\"30\"></td>";
 print '<td>';
-//if ($dolibarr_main_db_pass) print '__dolibarr_main_db_pass__ <i>('.eregi_replace('.','*',$dolibarr_main_db_pass).')</i>';
+//if ($dolibarr_main_db_pass) print '__dolibarr_main_db_pass__ <i>('.preg_replace('/./i','*',$dolibarr_main_db_pass).')</i>';
 print '&nbsp;</td>';
 print "</tr>";
 
diff --git a/htdocs/admin/menus.php b/htdocs/admin/menus.php
index 4026c37f25b..faa4f6e2466 100644
--- a/htdocs/admin/menus.php
+++ b/htdocs/admin/menus.php
@@ -58,10 +58,10 @@ if (isset($_POST["action"]) && $_POST["action"] == 'update')
 
 	// Define list of menu handlers to initialize
  	$listofmenuhandler=array();
-	$listofmenuhandler[eregi_replace('((_back|_front)office)?\.php','',$_POST["main_menu_barretop"])]=1;
-	$listofmenuhandler[eregi_replace('((_back|_front)office)?\.php','',$_POST["main_menufront_barretop"])]=1;
-	$listofmenuhandler[eregi_replace('((_back|_front)office)?\.php','',$_POST["main_menu_barreleft"])]=1;
-	$listofmenuhandler[eregi_replace('((_back|_front)office)?\.php','',$_POST["main_menufront_barreleft"])]=1;
+	$listofmenuhandler[preg_replace('/((_back|_front)office)?\.php/i','',$_POST["main_menu_barretop"])]=1;
+	$listofmenuhandler[preg_replace('/((_back|_front)office)?\.php/i','',$_POST["main_menufront_barretop"])]=1;
+	$listofmenuhandler[preg_replace('/((_back|_front)office)?\.php/i','',$_POST["main_menu_barreleft"])]=1;
+	$listofmenuhandler[preg_replace('/((_back|_front)office)?\.php/i','',$_POST["main_menufront_barreleft"])]=1;
 	foreach ($listofmenuhandler as $key => $val)
 	{
 		//print "x".$key;
@@ -181,11 +181,11 @@ else
     $var=!$var;
     print '<tr '.$bc[$var].'><td>'.$langs->trans("DefaultMenuTopManager").'</td>';
     print '<td>';
-    $filelib=eregi_replace('\.php$','',$conf->global->MAIN_MENU_BARRETOP);
+    $filelib=preg_replace('/.php$/i','',$conf->global->MAIN_MENU_BARRETOP);
     print $filelib;
     print '</td>';
     print '<td>';
-    $filelib=eregi_replace('\.php$','',$conf->global->MAIN_MENUFRONT_BARRETOP);
+    $filelib=preg_replace('/.php$/i','',$conf->global->MAIN_MENUFRONT_BARRETOP);
     print $filelib;
     print '</td>';
     print '</tr>';
@@ -194,11 +194,11 @@ else
     print '<tr '.$bc[$var].'>';
     print '<td>'.$langs->trans("DefaultMenuLeftManager").'</td>';
     print '<td>';
-    $filelib=eregi_replace('\.php$','',$conf->global->MAIN_MENU_BARRELEFT);
+    $filelib=preg_replace('/.php$/i','',$conf->global->MAIN_MENU_BARRELEFT);
     print $filelib;
     print '</td>';
     print '<td>';
-    $filelib=eregi_replace('\.php$','',$conf->global->MAIN_MENUFRONT_BARRELEFT);
+    $filelib=preg_replace('/.php$/i','',$conf->global->MAIN_MENUFRONT_BARRELEFT);
     print $filelib;
     print '</td>';
     print '</tr>';
diff --git a/htdocs/admin/modules.php b/htdocs/admin/modules.php
index 0596970156b..bf3ccfb4a39 100644
--- a/htdocs/admin/modules.php
+++ b/htdocs/admin/modules.php
@@ -166,10 +166,10 @@ function UnActivate($value,$requiredby=1)
 		else
 		{
 			$genericMod = new DolibarrModules($db);
-			$genericMod->name=eregi_replace('^mod','',$modName);
+			$genericMod->name=preg_replace('/^mod/i','',$modName);
 			$genericMod->style_sheet=1;
-			$genericMod->rights_class=strtolower(eregi_replace('^mod','',$modName));
-			$genericMod->const_name='MAIN_MODULE_'.strtoupper(eregi_replace('^mod','',$modName));
+			$genericMod->rights_class=strtolower(preg_replace('/^mod/i','',$modName));
+			$genericMod->const_name='MAIN_MODULE_'.strtoupper(preg_replace('/^mod/i','',$modName));
 			dol_syslog("modules::UnActivate Failed to find module file, we use generic function with name ".$genericMod->name);
 			$genericMod->_remove();
 		}
@@ -244,7 +244,7 @@ foreach ($conf->file->dol_document_root as $dirroot)
 					if (! empty($objMod->needtopmenu)  && sizeof($objMod->needtopmenu)  && ! in_array($conf->top_menu,$objMod->needtopmenu))   $modulequalified=0;
 
 					// We discard modules according to features level (PS: if module is activated we always show it)
-					$const_name = 'MAIN_MODULE_'.strtoupper(eregi_replace('^mod','',get_class($objMod)));
+					$const_name = 'MAIN_MODULE_'.strtoupper(preg_replace('/^mod/i','',get_class($objMod)));
 					if ($objMod->version == 'development'  && $conf->global->MAIN_FEATURES_LEVEL < 2 && ! $conf->global->$const_name) $modulequalified=0;
 					if ($objMod->version == 'experimental' && $conf->global->MAIN_FEATURES_LEVEL < 1 && ! $conf->global->$const_name) $modulequalified=0;
 
@@ -364,7 +364,7 @@ foreach ($orders as $key => $value)
     $modName = $filename[$key];
 	$objMod  = $modules[$key];
 
-    $const_name = 'MAIN_MODULE_'.strtoupper(eregi_replace('^mod','',get_class($objMod)));
+    $const_name = 'MAIN_MODULE_'.strtoupper(preg_replace('/^mod/i','',get_class($objMod)));
 
     // Load all lang files of module
     if (isset($objMod->langfiles) && is_array($objMod->langfiles))
diff --git a/htdocs/admin/paybox.php b/htdocs/admin/paybox.php
index e017aa8b352..4d1dbbec0a4 100644
--- a/htdocs/admin/paybox.php
+++ b/htdocs/admin/paybox.php
@@ -160,8 +160,10 @@ print '<br><br>';
 print '<u>'.$langs->trans("FollowingUrlAreAvailableToMakePayments").':</u><br>';
 // Should work with DOL_URL_ROOT='' or DOL_URL_ROOT='/dolibarr'
 $firstpart=$dolibarr_main_url_root;
-$regex=DOL_URL_ROOT.'$';
-$firstpart=eregi_replace($regex,'',$firstpart);
+$slash = '/';
+$backslash = strtr($slash, '/', '\\');
+$regex='/'.$backslash.DOL_URL_ROOT.'$/i';
+$firstpart=preg_replace($regex,'',$firstpart);
 print '<br>';
 print img_picto('','puce.png').' '.$langs->trans("ToOfferALinkForOnlinePaymentOnFreeAmount",$servicename).':<br>';
 print '<b>'.$firstpart.DOL_URL_ROOT.'/public/paybox/newpayment.php?amount=<i>9.99</i>&tag=<i>your_free_tag</i></b>'."<br>\n";
diff --git a/htdocs/admin/webcalendar.php b/htdocs/admin/webcalendar.php
index 11a1d96458b..03379ba2df7 100644
--- a/htdocs/admin/webcalendar.php
+++ b/htdocs/admin/webcalendar.php
@@ -202,7 +202,7 @@ print "<tr class=\"impair\">";
 print "<td>".$langs->trans("Password")."</td>";
 print "<td><input type=\"password\" class=\"flat\" name=\"phpwebcalendar_pass\" value=\"" . ($_POST["phpwebcalendar_pass"]?$_POST["phpwebcalendar_pass"]:$conf->global->PHPWEBCALENDAR_PASS) . "\" size=\"30\"></td>";
 print '<td>';
-//if ($dolibarr_main_db_pass) print '__dolibarr_main_db_pass__ <i>('.eregi_replace('.','*',$dolibarr_main_db_pass).')</i>';
+//if ($dolibarr_main_db_pass) print '__dolibarr_main_db_pass__ <i>('.preg_replace('/./i','*',$dolibarr_main_db_pass).')</i>';
 print '&nbsp;</td>';
 print "</tr>";
 
@@ -313,7 +313,9 @@ print "<br>";
 
 // Show message
 $message='';
-$urlwithouturlroot=eregi_replace(DOL_URL_ROOT.'$','',$dolibarr_main_url_root);
+$slash = '/';
+$backslash = strtr($slash, '/', '\\');
+$urlwithouturlroot=eregi_replace('/'.$backslash.DOL_URL_ROOT.'$/i','',$dolibarr_main_url_root);
 $urlvcal='<a href="'.DOL_URL_ROOT.'/webcal/webcalexport.php?format=vcal&exportkey='.$conf->global->PHPWEBCALENDAR_PASSWORD_VCALEXPORT.'" target="_blank">'.$urlwithouturlroot.DOL_URL_ROOT.'/webcal/webcalexport.php?format=vcal&exportkey='.$conf->global->PHPWEBCALENDAR_PASSWORD_VCALEXPORT.'</a>';
 $message.=$langs->trans("WebCalUrlForVCalExport",'vcal',$urlvcal);
 $message.='<br>';
diff --git a/htdocs/admin/webservices.php b/htdocs/admin/webservices.php
index 1beffb9dd64..ab8173d9cca 100644
--- a/htdocs/admin/webservices.php
+++ b/htdocs/admin/webservices.php
@@ -92,7 +92,9 @@ print '<br><br>';
 
 // Should work with DOL_URL_ROOT='' or DOL_URL_ROOT='/dolibarr'
 $firstpart=$dolibarr_main_url_root;
-$regex=DOL_URL_ROOT.'$';
+$slash = '/';
+$backslash = strtr($slash, '/', '\\');
+$regex='/'.$backslash.DOL_URL_ROOT.'$/i';
 $firstpart=eregi_replace($regex,'',$firstpart);
 
 print '<u>'.$langs->trans("WSDLCanBeDownloadedHere").':</u><br>';