gistfile1.diff

diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 3536241..fe0dc93 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -460,7 +460,7 @@ class CI_Form_validation {
                                $this->_field_data[$field]['postdata'] = $validation_array[$field];
                        }
 
-                       $this->_execute($row, explode('|', $row['rules']), $this->_field_data[$field]['postdata']);
+                       $this->_execute($row, preg_split('/\|/', $row['rules'], -1, PREG_SPLIT_NO_EMPTY), $this->_field_data[$field]['postdata']);
                }
 
                // Did we end up with any errors?