Add missing delimiter in preg_quote() occurences (fix #1929)
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index 5ea9643..ed00510 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -2077,7 +2077,7 @@
for ($ci = 0, $cc = count($conditions); $ci < $cc; $ci++)
{
if (($op = $this->_get_operator($conditions[$ci])) === FALSE
- OR ! preg_match('/^(\(?)(.*)('.preg_quote($op).')\s*(.*(?<!\)))?(\)?)$/i', $conditions[$ci], $matches))
+ OR ! preg_match('/^(\(?)(.*)('.preg_quote($op, '/').')\s*(.*(?<!\)))?(\)?)$/i', $conditions[$ci], $matches))
{
continue;
}