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-rw-r--r--system/libraries/Encrypt.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/system/libraries/Encrypt.php b/system/libraries/Encrypt.php
index 656d51b4a..035ce8f68 100644
--- a/system/libraries/Encrypt.php
+++ b/system/libraries/Encrypt.php
@@ -141,7 +141,7 @@ class CI_Encrypt {
{
$key = $this->get_key($key);
- if ( ! preg_match('/[a-zA-Z0-9\/\+=]/', $string))
+ if (preg_match('/[^a-zA-Z0-9\/\+=]/', $string))
{
return FALSE;
}