--- ./rules/modules/rules.rules.inc.orig	2011-01-22 17:35:33.274548650 -0800
+++ ./rules/modules/rules.rules.inc	2011-01-22 17:36:06.452496006 -0800
@@ -172,7 +172,7 @@
  */
 function rules_condition_text_compare($text1, $text2, $settings) {
   if ($settings['regex']) {
-    return (bool) preg_match('/'. $text2 .'/', $text1);
+    return (bool) preg_match('/'. preg_quote($text2, '/') .'/', $text1);
   }
   return $text1 == $text2;
 }