modifications to numeric and integer validation
diff --git a/system/libraries/Validation.php b/system/libraries/Validation.php
index dc4e016..a3ce980 100644
--- a/system/libraries/Validation.php
+++ b/system/libraries/Validation.php
@@ -552,7 +552,8 @@
 	 */	

 	function numeric($str)

 	{

-		return ( ! is_numeric($str)) ? FALSE : TRUE;

+		return (bool)preg_match( '/^[\-+]?[0-9]*\.?[0-9]+$/', $str);

+

 	}

 

 	// --------------------------------------------------------------------

@@ -566,7 +567,7 @@
 	 */	

 	function integer($str)

 	{

-		return ( ! is_int($str)) ? FALSE : TRUE;

+		return (bool)preg_match( '/^[\-+]?[0-9]+$/', $str);

 	}

 	

 	// --------------------------------------------------------------------