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-rw-r--r--includes/session.php1
1 files changed, 1 insertions, 0 deletions
diff --git a/includes/session.php b/includes/session.php
index 29a3f56c11..9393703607 100644
--- a/includes/session.php
+++ b/includes/session.php
@@ -113,6 +113,7 @@ define('WT_REGEX_INTEGER', '-?\d+');
define('WT_REGEX_ALPHA', '[a-zA-Z]+');
define('WT_REGEX_ALPHANUM', '[a-zA-Z0-9]+');
define('WT_REGEX_BYTES', '[0-9]+[bBkKmMgG]?');
+define('WT_REGEX_IPV4', '\d{1,3}(\.\d{1,3}){3}');
define('WT_REGEX_USERNAME', '[^<>"%{};]+');
define('WT_REGEX_PASSWORD', '.{' . WT_MINIMUM_PASSWORD_LENGTH . ',}');