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-rw-r--r--user_guide_src/source/libraries/form_validation.rst1
1 files changed, 1 insertions, 0 deletions
diff --git a/user_guide_src/source/libraries/form_validation.rst b/user_guide_src/source/libraries/form_validation.rst
index b1f466f4c..7478ca0ef 100644
--- a/user_guide_src/source/libraries/form_validation.rst
+++ b/user_guide_src/source/libraries/form_validation.rst
@@ -894,6 +894,7 @@ Rule Parameter Description
0, 1, 2, 3, etc.
**is_natural_no_zero** No Returns FALSE if the form element contains anything other than a natural
number, but not zero: 1, 2, 3, etc.
+**valid_url** No Returns FALSE if the form element does not contain a valid URL.
**valid_email** No Returns FALSE if the form element does not contain a valid email address.
**valid_emails** No Returns FALSE if any value provided in a comma separated list is not a valid email.
**valid_ip** No Returns FALSE if the supplied IP is not valid.