diff --git a/include/util/datas.php b/include/util/datas.php
index f9747f29..65471e41 100644
--- a/include/util/datas.php
+++ b/include/util/datas.php
@@ -61,7 +61,7 @@ class CalcDataHora {
         switch ($op) {
             case "d": // Padrao: 15/01/2007
                 $er = "(([0][1-9]|[1-2][0-9]|[3][0-1])\/([0][1-9]|[1][0-2])\/([0-9]{4}))";
-                if (ereg($er, $data)) {
+                if ( preg_match($er, $data)) {
                     return 0;
                 } else {
                     return 1;
@@ -69,7 +69,7 @@ class CalcDataHora {
                 break;
             case "dh": // Padrao 15/01/2007 10:30:00
                 $er = "(([0][1-9]|[1-2][0-9]|[3][0-1])\/([0][1-9]|[1][0-2])\/([0-9]{4})*)";
-                if (ereg($er, $data)) {
+                if ( preg_match($er, $data)) {
                     return 0;
                 } else {
                     return 1;
diff --git a/include/util/util.php b/include/util/util.php
index 84c134e7..1bb56add 100644
--- a/include/util/util.php
+++ b/include/util/util.php
@@ -40,7 +40,7 @@ function _is_valid($string, $min_length, $max_length, $regex) {
     }
 
     // Does the string entirely consist of characters of $type?
-    if (!eregi("^$regex$", $string)) {
+    if (!preg_match("^$regex$", $string)) {
         return(false);
     }
 
@@ -135,7 +135,7 @@ function contains_bad_words($string) {
 
 function contains_phone_number($string) {
     // Check for phone number 
-    if (ereg("[[:digit:]]{3,10}[\. /\)\(-]*[[:digit:]]{6,10}", $string)) {
+    if (preg_match("[[:digit:]]{3,10}[\. /\)\(-]*[[:digit:]]{6,10}", $string)) {
         return(true);
     }