diff --git a/docs/examples/example4/news_change.php b/docs/examples/example4/news_change.php
index 0666ba1..56193a9 100644
--- a/docs/examples/example4/news_change.php
+++ b/docs/examples/example4/news_change.php
@@ -44,7 +44,7 @@
 
           if (!empty($news)) {
 
-              if (!ereg('^[1-9][0-9]?$', $valid_to)) {
+              if (!preg_match('/^[1-9][0-9]?$/', $valid_to)) {
                   $errorMsg = '<p><span style="color: red;">Only numbers between 1 and 99 are allowed here.</span></p>';
               } else {
               // Form seems to be correct. Write data into the db.
diff --git a/docs/examples/example4/news_new.php b/docs/examples/example4/news_new.php
index fec6ec2..3b9c252 100644
--- a/docs/examples/example4/news_new.php
+++ b/docs/examples/example4/news_new.php
@@ -22,7 +22,7 @@
 // If $news is not empty, we have something to work.
 if (!empty($news)) {
 
-    if (!ereg('^[1-9][0-9]?$', $valid_to)) {
+    if (!preg_match('/^[1-9][0-9]?$/', $valid_to)) {
         $tpl->setVariable('script_msg', '<p style="color: red;">Only numbers between 1 and 99 are allowed here.</p>');
     } elseif (!$LU->checkRightLevel(RIGHT_NEWS_NEW, $LU->getProperty('perm_user_id'), $group)) {
         $tpl->setVariable('script_msg', '<p style="color: red;">You don\'t have the right to post news for this group.</p>');