diff --git a/htdocs/categories/index.php b/htdocs/categories/index.php
index f53bedcbcc0..dda3ff6a2cc 100644
--- a/htdocs/categories/index.php
+++ b/htdocs/categories/index.php
@@ -200,7 +200,7 @@ foreach($fulltree as $key => $val)
 {
 	$var=false;
 
-	//$fullpathparent=eregi_replace('_[^_]+$','',$val['fullpath']);
+	//$fullpathparent=preg_replace('/_[^_]+$/i','',$val['fullpath']);
 
 	// Define showline
 	$showline=0;
@@ -241,7 +241,7 @@ foreach($fulltree as $key => $val)
 		else $ref=img_picto('',DOL_URL_ROOT.'/theme/common/treemenu/minustop'.$n.'.gif','',1);
 		if ($option == 'indexexpanded') $lien = '<a href="'.$_SERVER["PHP_SELF"].'?section='.$val['id'].'&amp;type='.$type.'&amp;sectionexpand=false">';
     	if ($option == 'indexnotexpanded') $lien = '<a href="'.$_SERVER["PHP_SELF"].'?section='.$val['id'].'&amp;type='.$type.'&amp;sectionexpand=true">';
-    	$newref=eregi_replace('_',' ',$ref);
+    	$newref=str_replace('_',' ',$ref);
     	$lienfin='</a>';
     	print $lien.$newref.$lienfin;
 		if (! in_array($val['id'],$expandedsectionarray)) print img_picto('',DOL_URL_ROOT.'/theme/common/treemenu/folder.gif','',1);
diff --git a/htdocs/comm/action/index.php b/htdocs/comm/action/index.php
index b93edb86263..c8742ad0872 100644
--- a/htdocs/comm/action/index.php
+++ b/htdocs/comm/action/index.php
@@ -426,7 +426,7 @@ if (! is_array($theme_datacolor)) $theme_datacolor=array(array(120,130,150), arr
 
 // Add link to show birthdays
 $link='<a href="'.$_SERVER['PHP_SELF'];
-$newparam=eregi_replace('showbirthday=[0-1]','showbirthday='.(empty($showbirthday)?1:0),$param);
+$newparam=preg_replace('/showbirthday=[0-1]/i','showbirthday='.(empty($showbirthday)?1:0),$param);
 if (! eregi('showbirthday=',$newparam)) $newparam.='&showbirthday=1';
 if ($_REQUEST['action']) $newparam.='&action='.$_REQUEST['action'];
 $link.='?'.$newparam;
diff --git a/htdocs/comm/mailing/fiche.php b/htdocs/comm/mailing/fiche.php
index 992b3b01b72..098f37d6cac 100644
--- a/htdocs/comm/mailing/fiche.php
+++ b/htdocs/comm/mailing/fiche.php
@@ -162,7 +162,7 @@ if ($_POST["action"] == 'sendallconfirmed' && $_POST['confirm'] == 'yes')
 					$obj = $db->fetch_object($resql);
 
 					// sendto en RFC2822
-					$sendto = eregi_replace(',',' ',$obj->prenom." ".$obj->nom)." <".$obj->email.">";
+					$sendto = str_replace(',',' ',$obj->prenom." ".$obj->nom)." <".$obj->email.">";
 
 					// Make subtsitutions on topic and body
 					$other=explode(';',$obj->other);
diff --git a/htdocs/comm/propal.php b/htdocs/comm/propal.php
index 1945596a615..08ae51d3159 100644
--- a/htdocs/comm/propal.php
+++ b/htdocs/comm/propal.php
@@ -677,8 +677,8 @@ if ($_POST['action'] == "addline" && $user->rights->propale->creer)
 		else
 		{
 			$pu_ht=$_POST['np_price'];
-			$tva_tx=eregi_replace('\*','',$_POST['np_tva_tx']);
-			$tva_npr=eregi('\*',$_POST['np_tva_tx'])?1:0;
+			$tva_tx=str_replace('*','',$_POST['np_tva_tx']);
+			$tva_npr=preg_match('/\*/',$_POST['np_tva_tx'])?1:0;
 			$desc=$_POST['dp_desc'];
 			$type=$_POST["type"];
 		}
@@ -745,11 +745,11 @@ if ($_POST['action'] == 'updateligne' && $user->rights->propale->creer && $_POST
 
 	// Define info_bits
 	$info_bits=0;
-	if (eregi('\*',$_POST['tva_tx'])) $info_bits |= 0x01;
+	if (preg_match('/\*/',$_POST['tva_tx'])) $info_bits |= 0x01;
 
 	// Define vat_rate
 	$vat_rate=$_POST['tva_tx'];
-	$vat_rate=eregi_replace('\*','',$vat_rate);
+	$vat_rate=str_replace('*','',$vat_rate);
 
 	// On verifie que le prix minimum est respecte
 	$productid = $_POST['productid'] ;