Add valid_mac() FV rule

Close #3992

1 files changed, 1 insertions, 0 deletions

diff --git a/system/language/english/form_validation_lang.php b/system/language/english/form_validation_lang.php
index aa9ff330b..357f747ce 100644
--- a/system/language/english/form_validation_lang.php
+++ b/system/language/english/form_validation_lang.php
@@ -43,6 +43,7 @@ $lang['form_validation_valid_email']		= 'The {field} field must contain a valid
 $lang['form_validation_valid_emails']		= 'The {field} field must contain all valid email addresses.';
 $lang['form_validation_valid_url']		= 'The {field} field must contain a valid URL.';
 $lang['form_validation_valid_ip']		= 'The {field} field must contain a valid IP.';
+$lang['form_validation_valid_mac']		= 'The {field} field must contain a valid MAC.';
 $lang['form_validation_min_length']		= 'The {field} field must be at least {param} characters in length.';
 $lang['form_validation_max_length']		= 'The {field} field cannot exceed {param} characters in length.';
 $lang['form_validation_exact_length']		= 'The {field} field must be exactly {param} characters in length.';