diff --git a/htdocs/commande/commande.class.php b/htdocs/commande/commande.class.php
index 5e67f97afae..f436da5dc1f 100644
--- a/htdocs/commande/commande.class.php
+++ b/htdocs/commande/commande.class.php
@@ -240,7 +240,7 @@ class Commande extends CommonObject
 		$result=$soc->set_as_client();
 
 		// Define new ref
-		if (! $error && (preg_match('/^\(PROV/i', $this->ref) || preg_match('/^PROV/i', $this->ref)))
+		if (! $error && (preg_match('/^[\(]?PROV/i', $this->ref)))
 		{
 			$num = $this->getNextNumRef($soc);
 		}
@@ -291,7 +291,7 @@ class Commande extends CommonObject
 		if (! $error)
 		{
 			// Rename directory if dir was a temporary ref
-			if (preg_match('/^\(PROV/i', $this->ref) || preg_match('/^PROV/i', $this->ref))
+			if (preg_match('/^[\(]?PROV/i', $this->ref))
 			{
 				// On renomme repertoire ($this->ref = ancienne ref, $numfa = nouvelle ref)
 				// afin de ne pas perdre les fichiers attaches
diff --git a/htdocs/document.php b/htdocs/document.php
index dbb30490d4b..442301c00f7 100644
--- a/htdocs/document.php
+++ b/htdocs/document.php
@@ -75,33 +75,33 @@ else $type=dol_mimetype($original_file);
 // Define attachment (attachment=true to force choice popup 'open'/'save as')
 $attachment = true;
 // Text files
-if (eregi('\.txt$',$original_file))  	{ $attachment = false; }
-if (eregi('\.csv$',$original_file))  	{ $attachment = true; }
-if (eregi('\.tsv$',$original_file))  	{ $attachment = true; }
+if (preg_match('/\.txt$/i',$original_file))  	{ $attachment = false; }
+if (preg_match('/\.csv$/i',$original_file))  	{ $attachment = true; }
+if (preg_match('/\.tsv$/i',$original_file))  	{ $attachment = true; }
 // Documents MS office
-if (eregi('\.doc$',$original_file))     { $attachment = true; }
-if (eregi('\.dot$',$original_file))     { $attachment = true; }
-if (eregi('\.mdb$',$original_file))     { $attachment = true; }
-if (eregi('\.ppt$',$original_file))     { $attachment = true; }
-if (eregi('\.xls$',$original_file))     { $attachment = true; }
+if (preg_match('/\.doc(x)?$/i',$original_file)) { $attachment = true; }
+if (preg_match('/\.dot(x)?$/i',$original_file)) { $attachment = true; }
+if (preg_match('/\.mdb$/i',$original_file))     { $attachment = true; }
+if (preg_match('/\.ppt(x)?$/i',$original_file)) { $attachment = true; }
+if (preg_match('/\.xls(x)?$/i',$original_file)) { $attachment = true; }
 // Documents Open office
-if (eregi('\.odp$',$original_file))     { $attachment = true; }
-if (eregi('\.ods$',$original_file))     { $attachment = true; }
-if (eregi('\.odt$',$original_file))     { $attachment = true; }
+if (preg_match('/\.odp$/i',$original_file))     { $attachment = true; }
+if (preg_match('/\.ods$/i',$original_file))     { $attachment = true; }
+if (preg_match('/\.odt$/i',$original_file))     { $attachment = true; }
 // Misc
-if (eregi('\.(html|htm)$',$original_file)) 	{ $attachment = false; }
-if (eregi('\.pdf$',$original_file))  	{ $attachment = true; }
-if (eregi('\.sql$',$original_file))     { $attachment = true; }
+if (preg_match('/\.(html|htm)$/i',$original_file)) 	{ $attachment = false; }
+if (preg_match('/\.pdf$/i',$original_file))  	{ $attachment = true; }
+if (preg_match('/\.sql$/i',$original_file))     { $attachment = true; }
 // Images
-if (eregi('\.jpg$',$original_file)) 	{ $attachment = true; }
-if (eregi('\.jpeg$',$original_file)) 	{ $attachment = true; }
-if (eregi('\.png$',$original_file)) 	{ $attachment = true; }
-if (eregi('\.gif$',$original_file)) 	{ $attachment = true; }
-if (eregi('\.bmp$',$original_file)) 	{ $attachment = true; }
-if (eregi('\.tiff$',$original_file)) 	{ $attachment = true; }
+if (preg_match('/\.jpg$/i',$original_file)) 	{ $attachment = true; }
+if (preg_match('/\.jpeg$/i',$original_file)) 	{ $attachment = true; }
+if (preg_match('/\.png$/i',$original_file)) 	{ $attachment = true; }
+if (preg_match('/\.gif$/i',$original_file)) 	{ $attachment = true; }
+if (preg_match('/\.bmp$/i',$original_file)) 	{ $attachment = true; }
+if (preg_match('/\.tiff$/i',$original_file)) 	{ $attachment = true; }
 // Calendar
-if (eregi('\.vcs$',$original_file))  	{ $attachment = true; }
-if (eregi('\.ics$',$original_file))  	{ $attachment = true; }
+if (preg_match('/\.vcs$/i',$original_file))  	{ $attachment = true; }
+if (preg_match('/\.ics$/i',$original_file))  	{ $attachment = true; }
 if ($_REQUEST["attachment"])            { $attachment = true; }
 if (! empty($conf->global->MAIN_DISABLE_FORCE_SAVEAS)) $attachment=false;
 //print "XX".$attachment;exit;
@@ -122,7 +122,7 @@ if ($modulepart)
 	if ($modulepart == 'facture')
 	{
 		$user->getrights('facture');
-		if ($user->rights->facture->lire || eregi('^specimen',$original_file))
+		if ($user->rights->facture->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -133,7 +133,7 @@ if ($modulepart)
 	if ($modulepart == 'unpaid')
 	{
 		$user->getrights('facture');
-		if ($user->rights->facture->lire || eregi('^specimen',$original_file))
+		if ($user->rights->facture->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -144,7 +144,7 @@ if ($modulepart)
 	if ($modulepart == 'ficheinter')
 	{
 		$user->getrights('ficheinter');
-		if ($user->rights->ficheinter->lire || eregi('^specimen',$original_file))
+		if ($user->rights->ficheinter->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -156,7 +156,7 @@ if ($modulepart)
 	if ($modulepart == 'prelevement')
 	{
 		$user->getrights('prelevement');
-		if ($user->rights->prelevement->bons->lire || eregi('^specimen',$original_file))
+		if ($user->rights->prelevement->bons->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -168,7 +168,7 @@ if ($modulepart)
 	if ($modulepart == 'propal')
 	{
 		$user->getrights('propale');
-		if ($user->rights->propale->lire || eregi('^specimen',$original_file))
+		if ($user->rights->propale->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -180,7 +180,7 @@ if ($modulepart)
 	if ($modulepart == 'commande')
 	{
 		$user->getrights('commande');
-		if ($user->rights->commande->lire || eregi('^specimen',$original_file))
+		if ($user->rights->commande->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -192,7 +192,7 @@ if ($modulepart)
 	if ($modulepart == 'commande_fournisseur')
 	{
 		$user->getrights('fournisseur');
-		if ($user->rights->fournisseur->commande->lire || eregi('^specimen',$original_file))
+		if ($user->rights->fournisseur->commande->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -204,7 +204,7 @@ if ($modulepart)
 	if ($modulepart == 'facture_fournisseur')
 	{
 		$user->getrights('fournisseur');
-		if ($user->rights->fournisseur->facture->lire || eregi('^specimen',$original_file))
+		if ($user->rights->fournisseur->facture->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -216,7 +216,7 @@ if ($modulepart)
 	if ($modulepart == 'facture_paiement')
 	{
 		$user->getrights('facture');
-		if ($user->rights->facture->lire || eregi('^specimen',$original_file))
+		if ($user->rights->facture->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -229,7 +229,7 @@ if ($modulepart)
 	if ($modulepart == 'export_compta')
 	{
 		$user->getrights('compta');
-		if ($user->rights->compta->ventilation->creer || eregi('^specimen',$original_file))
+		if ($user->rights->compta->ventilation->creer || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -240,7 +240,7 @@ if ($modulepart)
 	if ($modulepart == 'societe')
 	{
 		$user->getrights('societe');
-		if ($user->rights->societe->lire || eregi('^specimen',$original_file))
+		if ($user->rights->societe->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -252,7 +252,7 @@ if ($modulepart)
 	if ($modulepart == 'expedition')
 	{
 		$user->getrights('expedition');
-		if ($user->rights->expedition->lire || eregi('^specimen',$original_file))
+		if ($user->rights->expedition->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -264,7 +264,7 @@ if ($modulepart)
 	if ($modulepart == 'livraison')
 	{
 		$user->getrights('expedition');
-		if ($user->rights->expedition->livraison->lire || eregi('^specimen',$original_file))
+		if ($user->rights->expedition->livraison->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -276,7 +276,7 @@ if ($modulepart)
 	if ($modulepart == 'telephonie')
 	{
 		$user->getrights('telephonie');
-		if ($user->rights->telephonie->lire || eregi('^specimen',$original_file))
+		if ($user->rights->telephonie->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -288,7 +288,7 @@ if ($modulepart)
 	if ($modulepart == 'actions')
 	{
 		$user->getrights('agenda');
-		if ($user->rights->agenda->myactions->read || eregi('^specimen',$original_file))
+		if ($user->rights->agenda->myactions->read || preg_match('/^specimen/i',$original_file))
 		{
 		$accessallowed=1;
 		}
@@ -300,7 +300,7 @@ if ($modulepart)
 	if ($modulepart == 'actionsreport')
 	{
 		$user->getrights('agenda');
-		if ($user->rights->agenda->allactions->read || eregi('^specimen',$original_file))
+		if ($user->rights->agenda->allactions->read || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -313,7 +313,7 @@ if ($modulepart)
 	{
 		$user->getrights('produit');
 		$user->getrights('service');
-		if (($user->rights->produit->lire || $user->rights->service->lire) || eregi('^specimen',$original_file))
+		if (($user->rights->produit->lire || $user->rights->service->lire) || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -325,7 +325,7 @@ if ($modulepart)
 	if ($modulepart == 'contract')
 	{
 		$user->getrights('contrat');
-		if ($user->rights->contrat->lire || eregi('^specimen',$original_file))
+		if ($user->rights->contrat->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -359,7 +359,7 @@ if ($modulepart)
 	if ($modulepart == 'donation')
 	{
 		$user->getrights('don');
-		if ($user->rights->don->lire || eregi('^specimen',$original_file))
+		if ($user->rights->don->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -371,7 +371,7 @@ if ($modulepart)
 	if ($modulepart == 'remisecheque')
 	{
 		$user->getrights('banque');
-		if ($user->rights->banque->lire || eregi('^specimen',$original_file))
+		if ($user->rights->banque->lire || preg_match('/^specimen/i',$original_file))
 		{
 			$accessallowed=1;
 		}
@@ -458,7 +458,7 @@ if (! $accessallowed)
 // Security:
 // On interdit les remontees de repertoire ainsi que les pipe dans
 // les noms de fichiers.
-if (eregi('\.\.',$original_file) || eregi('[<>|]',$original_file))
+if (preg_match('/\.\./',$original_file) || preg_match('/[<>|]/',$original_file))
 {
 	dol_syslog("Refused to deliver file ".$original_file);
 	// Do no show plain path in shown error message
diff --git a/htdocs/facture.class.php b/htdocs/facture.class.php
index f499ac030ac..a8fd7b1abb3 100644
--- a/htdocs/facture.class.php
+++ b/htdocs/facture.class.php
@@ -1323,7 +1323,7 @@ class Facture extends CommonObject
 		{
 			$num = $force_number;
 		}
-		else if (eregi('^\(PROV', $this->ref) || eregi('^PROV', $this->ref))
+		else if (preg_match('/^[\(]?PROV/i', $this->ref))
 		{
 			if ($conf->global->FAC_FORCE_DATE_VALIDATION)	// If option enabled, we force invoice date
 			{
@@ -1358,10 +1358,10 @@ class Facture extends CommonObject
 			$error++;
 		}
 
-		// On v�rifie si la facture �tait une provisoire
-		if (! $error && (eregi('^\(PROV', $this->ref) || eregi('^PROV', $this->ref)))
+		// On verifie si la facture etait une provisoire
+		if (! $error && (preg_match('/^[\(]?PROV/i', $this->ref)))
 		{
-			// La v�rif qu'une remise n'est pas utilis�e 2 fois est faite au moment de l'insertion de ligne
+			// La verif qu'une remise n'est pas utilisee 2 fois est faite au moment de l'insertion de ligne
 		}
 
 		if (! $error)
@@ -1369,7 +1369,7 @@ class Facture extends CommonObject
 			// Define third party as a customer
 			$result=$this->client->set_as_client();
 
-			// Si activ� on d�cr�mente le produit principal et ses composants � la validation de facture
+			// Si active on decremente le produit principal et ses composants a la validation de facture
 			if ($result >= 0 && $conf->stock->enabled && $conf->global->STOCK_CALCULATE_ON_BILL)
 			{
 				require_once(DOL_DOCUMENT_ROOT."/product/stock/mouvementstock.class.php");
@@ -1381,7 +1381,7 @@ class Facture extends CommonObject
 					{
 						$mouvP = new MouvementStock($this->db);
 						// We decrease stock for product
-						$entrepot_id = "1"; // TODO ajouter possibilit� de choisir l'entrepot
+						$entrepot_id = "1"; // TODO ajouter possibilite de choisir l'entrepot
 						$result=$mouvP->livraison($user, $this->lignes[$i]->fk_product, $entrepot_id, $this->lignes[$i]->qty, $this->lignes[$i]->subprice);
 						if ($result < 0) { $error++; }
 					}
@@ -1392,10 +1392,10 @@ class Facture extends CommonObject
 		if (! $error)
 		{
 			// Rename directory if dir was a temporary ref
-			if (eregi('^\(PROV', $this->ref) || eregi('^PROV', $this->ref))
+			if (preg_match('/^[\(]?PROV/i', $this->ref))
 			{
 				// On renomme repertoire facture ($this->ref = ancienne ref, $num = nouvelle ref)
-				// afin de ne pas perdre les fichiers attach�s
+				// afin de ne pas perdre les fichiers attaches
 				$facref = dol_sanitizeFileName($this->ref);
 				$snumfa = dol_sanitizeFileName($num);
 				$dirsource = $conf->facture->dir_output.'/'.$facref;
diff --git a/htdocs/fourn/commande/fiche.php b/htdocs/fourn/commande/fiche.php
index a809c5cb182..6ef5487a5cf 100644
--- a/htdocs/fourn/commande/fiche.php
+++ b/htdocs/fourn/commande/fiche.php
@@ -532,7 +532,7 @@ if ($id > 0 || ! empty($ref))
 			$commande->date_commande=gmmktime();
 
 			// We check if number is temporary number
-			if (preg_match('/^\(PROV/i',$commande->ref)) $newref = $commande->getNextNumRef($soc);
+			if (preg_match('/^[\(]?PROV/i',$commande->ref)) $newref = $commande->getNextNumRef($soc);
 			else $newref = $commande->ref;
 
 			$text=$langs->trans('ConfirmValidateOrder',$newref);
diff --git a/htdocs/fourn/fournisseur.commande.class.php b/htdocs/fourn/fournisseur.commande.class.php
index 0e0ef024153..24c61b0cae8 100644
--- a/htdocs/fourn/fournisseur.commande.class.php
+++ b/htdocs/fourn/fournisseur.commande.class.php
@@ -246,7 +246,7 @@ class CommandeFournisseur extends Commande
 			$soc->fetch($this->fourn_id);
 
 			// Check if object has a temporary ref
-			if (preg_match('/^\(PROV/i', $this->ref))
+			if (preg_match('/^[\(]?PROV/i', $this->ref))
 			{
 				$num = $this->getNextNumRef($soc);
 			}
diff --git a/htdocs/html.form.class.php b/htdocs/html.form.class.php
index 1d632101f0b..a9aead32ce6 100644
--- a/htdocs/html.form.class.php
+++ b/htdocs/html.form.class.php
@@ -1412,7 +1412,7 @@ class Form
 			if ($format == 1) print '<option value="'.$arraytypes['code'].'"';
 			if ($format == 2) print '<option value="'.$arraytypes['code'].'"';
 			// Si selected est text, on compare avec code, sinon avec id
-			if (eregi('[a-z]', $selected) && $selected == $arraytypes['code']) print ' selected="true"';
+			if (preg_match('/[a-z]/i', $selected) && $selected == $arraytypes['code']) print ' selected="true"';
 			elseif ($selected == $id) print ' selected="true"';
 			print '>';
 			if ($format == 0) $value=$arraytypes['label'];
@@ -2256,8 +2256,8 @@ class Form
 
 		if (! $set_time && $empty == 0) $set_time = time();
 
-		// Analyse de la date de pr�-selection
-		if (eregi('^([0-9]+)\-([0-9]+)\-([0-9]+)\s?([0-9]+)?:?([0-9]+)?',$set_time,$reg))
+		// Analyse de la date de pre-selection
+		if (preg_match('/^([0-9]+)\-([0-9]+)\-([0-9]+)\s?([0-9]+)?:?([0-9]+)?/',$set_time,$reg))
 		{
 			// Date au format 'YYYY-MM-DD' ou 'YYYY-MM-DD HH:MM:SS'
 			$syear = $reg[1];
diff --git a/htdocs/html.formfile.class.php b/htdocs/html.formfile.class.php
index 59db9b1f840..2ea85357066 100644
--- a/htdocs/html.formfile.class.php
+++ b/htdocs/html.formfile.class.php
@@ -72,8 +72,8 @@ class FormFile
 
 		$max=$conf->global->MAIN_UPLOAD_DOC;		// En Kb
 		$maxphp=@ini_get('upload_max_filesize');	// En inconnu
-		if (eregi('m$',$maxphp)) $maxphp=$maxphp*1024;
-		if (eregi('k$',$maxphp)) $maxphp=$maxphp;
+		if (preg_match('/m$/i',$maxphp)) $maxphp=$maxphp*1024;
+		if (preg_match('/k$/i',$maxphp)) $maxphp=$maxphp;
 		// Now $max and $maxphp are in Kb
 		if ($maxphp > 0) $max=min($max,$maxphp);
 
@@ -446,7 +446,7 @@ class FormFile
 			&& $file['name'] != '.'
 			&& $file['name'] != '..'
 			&& $file['name'] != 'CVS'
-			&& ! eregi('\.meta$',$file['name']))
+			&& ! preg_math('/\.meta$/i',$file['name']))
 			{
 				// Define relative path used to store the file
 				if (! $relativepath)
diff --git a/htdocs/index.php b/htdocs/index.php
index 3ddeeb983ab..16bc5ee7c12 100644
--- a/htdocs/index.php
+++ b/htdocs/index.php
@@ -585,7 +585,7 @@ if (sizeof($boxarray))
 	$ii=0;
 	foreach ($boxarray as $key => $box)
 	{
-		if (eregi('^A',$box->box_order)) // colonne A
+		if (preg_match('/^A/i',$box->box_order)) // colonne A
 		{
 			$ii++;
 			//print 'box_id '.$boxarray[$ii]->box_id.' ';
@@ -620,7 +620,7 @@ if (sizeof($boxarray))
 	$ii=0;
 	foreach ($boxarray as $key => $box)
 	{
-		if (eregi('^B',$box->box_order)) // colonne B
+		if (preg_match('/^B/i',$box->box_order)) // colonne B
 		{
 			$ii++;
 			//print 'box_id '.$boxarray[$ii]->box_id.' ';
diff --git a/htdocs/interfaces.class.php b/htdocs/interfaces.class.php
index 3cd0f475e55..0743c20717e 100644
--- a/htdocs/interfaces.class.php
+++ b/htdocs/interfaces.class.php
@@ -69,7 +69,7 @@ class Interfaces
 
 		while (($file = readdir($handle))!==false)
 		{
-			if (is_readable($this->dir."/".$file) && eregi('^interface_([^_]+)_(.+)\.class\.php$',$file,$reg))
+			if (is_readable($this->dir."/".$file) && preg_match('/^interface_([^_]+)_(.+)\.class\.php$/i',$file,$reg))
 			{
 				$nbfile++;
 
diff --git a/htdocs/lib/functions2.lib.php b/htdocs/lib/functions2.lib.php
index 7e75665302a..32cab7f08ad 100644
--- a/htdocs/lib/functions2.lib.php
+++ b/htdocs/lib/functions2.lib.php
@@ -927,7 +927,7 @@ function version_os()
 	phpinfo();
 	$chaine = ob_get_contents();
 	ob_end_clean();
-	preg_match('/System </td><td class="v">([^<]*)</td>/i',$chaine,$reg);
+	preg_match('/System <\/td><td class="v">([^<]*)<\/td>/i',$chaine,$reg);
 	$osversion=$reg[1];
 	return $osversion;
 }
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index f8f08ad2939..0d7faf34c32 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -67,12 +67,12 @@ if (function_exists('get_magic_quotes_gpc'))	// magic_quotes_* removed in PHP6
 function test_sql_and_script_inject($val)
 {
 	$sql_inj = 0;
-	$sql_inj += eregi('delete[[:space:]]+from', $val);
-	$sql_inj += eregi('create[[:space:]]+table', $val);
-	$sql_inj += eregi('update.+set.+=', $val);
-	$sql_inj += eregi('insert[[:space:]]+into', $val);
-	$sql_inj += eregi('select.+from', $val);
-	$sql_inj += eregi('<script', $val);
+	$sql_inj += preg_match('/delete[\s]+from/i', $val);
+	$sql_inj += preg_match('/create[\s]+table/i', $val);
+	$sql_inj += preg_match('/update(.)+set(.)+=/i', $val);
+	$sql_inj += preg_match('/insert[\s]+into/i', $val);
+	$sql_inj += preg_match('/select(.)+from/i', $val);
+	$sql_inj += preg_match('/<script/i', $val);
 	return $sql_inj;
 }
 function analyse_sql_and_script(&$var)
@@ -112,7 +112,7 @@ analyse_sql_and_script($_POST);
 
 // Security: CSRF protection
 // The test to do is to check if referrer ($_SERVER['HTTP_REFERER']) is same web site than Dolibarr ($_SERVER['HTTP_HOST']).
-if (! defined('NOCSRFCHECK') && ! empty($_SERVER['HTTP_HOST']) && ! empty($_SERVER['HTTP_REFERER']) && ! eregi($_SERVER['HTTP_HOST'], $_SERVER['HTTP_REFERER']))
+if (! defined('NOCSRFCHECK') && ! empty($_SERVER['HTTP_HOST']) && ! empty($_SERVER['HTTP_REFERER']) && ! preg_match('/'.preg_quote($_SERVER['HTTP_HOST'],'/').'/i', $_SERVER['HTTP_REFERER']))
 {
 	//print 'HTTP_POST='.$_SERVER['HTTP_HOST'].' HTTP_REFERER='.$_SERVER['HTTP_REFERER'];
 	print 'Access refused by CSRF protection in main.inc.php.';
@@ -1091,7 +1091,7 @@ function left_menu($menu_array, $helppagename='', $moresearchform='')
  */
 function getHelpParamFor($helppagename,$langs)
 {
-	if (eregi('^http',$helppagename))
+	if (preg_match('/^http/i',$helppagename))
 	{
 		// If complete URL
 		$helpbaseurl='%s';
@@ -1101,20 +1101,20 @@ function getHelpParamFor($helppagename,$langs)
 	else
 	{
 		// If WIKI URL
-		if (eregi('^es',$langs->defaultlang))
+		if (preg_match('/^es/i',$langs->defaultlang))
 		{
 			$helpbaseurl='http://wiki.dolibarr.org/index.php/%s';
-			if (eregi('ES:([^|]+)',$helppagename,$reg)) $helppage=$reg[1];
+			if (preg_match('/ES:([^|]+)/i',$helppagename,$reg)) $helppage=$reg[1];
 		}
-		if (eregi('^fr',$langs->defaultlang))
+		if (preg_match('/^fr/i',$langs->defaultlang))
 		{
 			$helpbaseurl='http://wiki.dolibarr.org/index.php/%s';
-			if (eregi('FR:([^|]+)',$helppagename,$reg)) $helppage=$reg[1];
+			if (preg_match('/FR:([^|]+)/i',$helppagename,$reg)) $helppage=$reg[1];
 		}
 		if (empty($helppage))	// If help page not already found
 		{
 			$helpbaseurl='http://wiki.dolibarr.org/index.php/%s';
-			if (eregi('EN:([^|]+)',$helppagename,$reg)) $helppage=$reg[1];
+			if (preg_match('/EN:([^|]+)/i',$helppagename,$reg)) $helppage=$reg[1];
 		}
 		$mode='wiki';
 	}
diff --git a/htdocs/master.inc.php b/htdocs/master.inc.php
index 3ba6a515d67..f9f02b841f9 100644
--- a/htdocs/master.inc.php
+++ b/htdocs/master.inc.php
@@ -191,22 +191,22 @@ define('MAIN_DB_PREFIX',$dolibarr_main_db_prefix);
 if (isset($_SERVER["HTTP_USER_AGENT"]))
 {
 	// Name
-	if (eregi('firefox',$_SERVER["HTTP_USER_AGENT"]))       $conf->browser->name='firefox';
-	elseif (eregi('iceweasel',$_SERVER["HTTP_USER_AGENT"])) $conf->browser->name='iceweasel';
-	elseif (eregi('safari',$_SERVER["HTTP_USER_AGENT"]))    $conf->browser->name='safari';
-	elseif (eregi('chrome',$_SERVER["HTTP_USER_AGENT"]))    $conf->browser->name='chrome';
-	elseif (eregi('opera',$_SERVER["HTTP_USER_AGENT"]))     $conf->browser->name='opera';
-	elseif (eregi('msie',$_SERVER["HTTP_USER_AGENT"]))      $conf->browser->name='ie';
+	if (preg_match('/firefox/i',$_SERVER["HTTP_USER_AGENT"]))       $conf->browser->name='firefox';
+	elseif (preg_match('/iceweasel/i',$_SERVER["HTTP_USER_AGENT"])) $conf->browser->name='iceweasel';
+	elseif (preg_match('/safari/i',$_SERVER["HTTP_USER_AGENT"]))    $conf->browser->name='safari';
+	elseif (preg_match('/chrome/i',$_SERVER["HTTP_USER_AGENT"]))    $conf->browser->name='chrome';
+	elseif (preg_match('/opera/i',$_SERVER["HTTP_USER_AGENT"]))     $conf->browser->name='opera';
+	elseif (preg_match('/msie/i',$_SERVER["HTTP_USER_AGENT"]))      $conf->browser->name='ie';
 	else $conf->browser->name='unknown';
 	// If phone/smartphone, we set osname.
-	if (eregi('android',$_SERVER["HTTP_USER_AGENT"]))			$conf->browser->phone='android';
-	elseif (eregi('blackberry',$_SERVER["HTTP_USER_AGENT"]))	$conf->browser->phone='blackberry';
-	elseif (eregi('iphone',$_SERVER["HTTP_USER_AGENT"]))		$conf->browser->phone='iphone';
-	elseif (eregi('palm',$_SERVER["HTTP_USER_AGENT"]))			$conf->browser->phone='palm';
-	elseif (eregi('symbian',$_SERVER["HTTP_USER_AGENT"]))		$conf->browser->phone='symbian';
-	elseif (eregi('webos',$_SERVER["HTTP_USER_AGENT"]))			$conf->browser->phone='webos';
-	elseif (eregi('iemobile',$_SERVER["HTTP_USER_AGENT"]))		$conf->browser->phone='windowsmobile';
-	elseif (eregi('windows ce',$_SERVER["HTTP_USER_AGENT"]))	$conf->browser->phone='windowsmobile';
+	if (preg_match('/android/i',$_SERVER["HTTP_USER_AGENT"]))			$conf->browser->phone='android';
+	elseif (preg_match('/blackberry/i',$_SERVER["HTTP_USER_AGENT"]))	$conf->browser->phone='blackberry';
+	elseif (preg_match('/iphone/i',$_SERVER["HTTP_USER_AGENT"]))		$conf->browser->phone='iphone';
+	elseif (preg_match('/palm/i',$_SERVER["HTTP_USER_AGENT"]))			$conf->browser->phone='palm';
+	elseif (preg_match('/symbian/i',$_SERVER["HTTP_USER_AGENT"]))		$conf->browser->phone='symbian';
+	elseif (preg_match('/webos/i',$_SERVER["HTTP_USER_AGENT"]))			$conf->browser->phone='webos';
+	elseif (preg_match('/iemobile/i',$_SERVER["HTTP_USER_AGENT"]))		$conf->browser->phone='windowsmobile';
+	elseif (preg_match('/windows ce/i',$_SERVER["HTTP_USER_AGENT"]))	$conf->browser->phone='windowsmobile';
 	// Other
 	if (in_array($conf->browser->name,array('firefox','iceweasel'))) $conf->browser->firefox=1;
 }
diff --git a/htdocs/translate.class.php b/htdocs/translate.class.php
index 5b4cfdbdd65..beb6fe30b7c 100644
--- a/htdocs/translate.class.php
+++ b/htdocs/translate.class.php
@@ -209,7 +209,7 @@ class Translate {
 		{
 			// If $domain is @xxx instead of xxx then we look for module lang file htdocs/xxx/langs/code_CODE/xxx.lang
 			// instead of global lang file htdocs/langs/code_CODE/xxx.lang
-			if (eregi('@',$domain))	$searchdir=$searchdir ."/".$newdomain."/langs";
+			if (preg_match('/@/',$domain))	$searchdir=$searchdir ."/".$newdomain."/langs";
 			else $searchdir=$searchdir."/langs";
 
 			// Directory of translation files
@@ -303,8 +303,8 @@ class Translate {
 			// This function MUST NOT contains call to syslog
 			//dol_syslog("Translate::Load loading alternate translation file (to complete ".$this->defaultlang."/".$newdomain.".lang file)", LOG_DEBUG);
 			$langofdir='en_US';
-			if (eregi('^fr',$langarray[0])) $langofdir='fr_FR';
-			if (eregi('^es',$langarray[0])) $langofdir='es_ES';
+			if (preg_match('/^fr/i',$langarray[0])) $langofdir='fr_FR';
+			if (preg_match('/^es/i',$langarray[0])) $langofdir='es_ES';
 			$this->load($domain,$alt+1,$stopafterdirection,$langofdir);
 		}
 
@@ -368,18 +368,18 @@ class Translate {
 	{
 		global $db;
 		$newstr=$key;
-		if (eregi('CurrencyShort([A-Z]+)$',$key,$reg))
+		if (preg_match('/CurrencyShort([A-Z]+)$/i',$key,$reg))
 		{
 			global $db;
 			//$newstr=$this->getLabelFromKey($db,$reg[1],'c_currencies','code_iso','labelshort');
 			$newstr=$this->getLabelFromKey($db,$reg[1],'c_currencies','code_iso','code');
 		}
-		else if (eregi('Currency([A-Z]+)$',$key,$reg))
+		else if (preg_match('/Currency([A-Z]+)$/i',$key,$reg))
 		{
 			global $db;
 			$newstr=$this->getLabelFromKey($db,$reg[1],'c_currencies','code_iso','label');
 		}
-		else if (eregi('SendingMethod([0-9A-Z]+)$',$key,$reg))
+		else if (preg_match('/SendingMethod([0-9A-Z]+)$/i',$key,$reg))
 		{
 			global $db;
 			$newstr=$this->getLabelFromKey($db,$reg[1],'expedition_methode','code','libelle');
@@ -539,7 +539,7 @@ class Translate {
 		$langs_available=array();
 		while ($file = trim(readdir($handle)))
 		{
-			if (eregi('^[a-z]+_[A-Z]+',$file))
+			if (preg_match('/^[a-z]+_[A-Z]+/i',$file))
 			{
 				array_push($langs_available,$file);
 			}
diff --git a/htdocs/viewimage.php b/htdocs/viewimage.php
index f64a5526326..204468bcb0e 100644
--- a/htdocs/viewimage.php
+++ b/htdocs/viewimage.php
@@ -205,7 +205,7 @@ if ($modulepart)
 	}
 
 	// Wrapping pour les images des stats produits
-	elseif (eregi('^productstats_',$modulepart))
+	elseif (preg_match('/^productstats_/i',$modulepart))
 	{
 		$user->getrights('produit');
 		if ($user->rights->produit->lire || $user->rights->service->lire)
@@ -342,7 +342,7 @@ if (! $accessallowed)
 // Security:
 // On interdit les remontees de repertoire ainsi que les pipe dans
 // les noms de fichiers.
-if (eregi('\.\.',$original_file) || eregi('[<>|]',$original_file))
+if (preg_match('/\.\./',$original_file) || preg_match('/[<>|]/',$original_file))
 {
 	$langs->load("main");
 	dol_syslog("Refused to deliver file ".$original_file);