diff --git a/system/libraries/Validation.php b/system/libraries/Validation.php
index c81ad6b..d0714d0 100644
--- a/system/libraries/Validation.php
+++ b/system/libraries/Validation.php
@@ -557,6 +557,20 @@
 	}
 
 	// --------------------------------------------------------------------
+
+    /**
+     * Is Numeric
+     *
+     * @access    public
+     * @param    string
+     * @return    bool
+     */
+    function is_numeric($str)
+    {
+        return ( ! is_numeric($str)) ? FALSE : TRUE;
+    } 
+
+	// --------------------------------------------------------------------
 	
 	/**
 	 * Integer