diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php
index dbd7e0e..7f60734 100644
--- a/system/helpers/date_helper.php
+++ b/system/helpers/date_helper.php
@@ -460,7 +460,7 @@
 		$hour = (strlen($ex['0']) == 1) ? '0'.$ex['0'] : $ex['0'];
 		$min  = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
 
-		if (isset($ex['2']) AND ereg("[0-9]{1,2}", $ex['2']))
+		if (isset($ex['2']) && preg_match('/[0-9]{1,2}/', $ex['2']))
 		{
 			$sec  = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
 		}
diff --git a/system/libraries/Image_lib.php b/system/libraries/Image_lib.php
index 2896c9e..1e1ae7d 100644
--- a/system/libraries/Image_lib.php
+++ b/system/libraries/Image_lib.php
@@ -350,7 +350,7 @@
 	{
 		$protocol = 'image_process_'.$this->image_library;
 
-		if (eregi("gd2$", $protocol))
+		if (preg_match('/gd2$/i', $protocol))
 		{
 			$protocol = 'image_process_gd';
 		}
@@ -373,7 +373,7 @@
 	{
 		$protocol = 'image_process_'.$this->image_library;
 
-		if (eregi("gd2$", $protocol))
+		if (preg_match('/gd2$/i', $protocol))
 		{
 			$protocol = 'image_process_gd';
 		}
@@ -559,9 +559,9 @@
 			return FALSE;
 		}
 
-		if ( ! eregi("convert$", $this->library_path))
+		if ( ! preg_match("/convert$/i", $this->library_path))
 		{
-			if ( ! eregi("/$", $this->library_path)) $this->library_path .= "/";
+			$this->library_path = rtrim($this->library_path, '/').'/';
 
 			$this->library_path .= 'convert';
 		}
diff --git a/system/libraries/Trackback.php b/system/libraries/Trackback.php
index 844e503..d53f17f 100644
--- a/system/libraries/Trackback.php
+++ b/system/libraries/Trackback.php
@@ -267,7 +267,7 @@
 		}
 		@fclose($fp);
 		
-		if ( ! eregi("<error>0</error>", $this->response))
+		if (stristr($this->response, '<error>0</error>') === FALSE)
 		{
 			$message = 'An unknown error was encountered';
 			
@@ -370,10 +370,7 @@
 		}
 		else
 		{
-			if (ereg("/$", $url))
-			{
-				$url = substr($url, 0, -1);
-			}
+			$url = rtrim($url, '/');
 				
 			$tb_array = explode('/', $url);
 			$tb_id	= $tb_array[count($tb_array)-1];