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-rw-r--r--user_guide_src/source/libraries/form_validation.rst60
1 files changed, 32 insertions, 28 deletions
diff --git a/user_guide_src/source/libraries/form_validation.rst b/user_guide_src/source/libraries/form_validation.rst
index e7875bc22..185850b5a 100644
--- a/user_guide_src/source/libraries/form_validation.rst
+++ b/user_guide_src/source/libraries/form_validation.rst
@@ -823,34 +823,38 @@ Rule Reference
The following is a list of all the native rules that are available to
use:
-======================= ========== ============================================================================================= =======================
-Rule Parameter Description Example
-======================= ========== ============================================================================================= =======================
-**required** No Returns FALSE if the form element is empty.
-**matches** Yes Returns FALSE if the form element does not match the one in the parameter. matches[form_item]
-**is_unique** Yes Returns FALSE if the form element is not unique to the is_unique[table.field]
- table and field name in the parameter. is_unique[table.field]
-**max_length** Yes Returns FALSE if the form element is longer then the parameter value. max_length[12]
-**exact_length** Yes Returns FALSE if the form element is not exactly the parameter value. exact_length[8]
-**greater_than** Yes Returns FALSE if the form element is less than the parameter value or not numeric. greater_than[8]
-**less_than** Yes Returns FALSE if the form element is greater than the parameter value or not numeric. less_than[8]
-**alpha** No Returns FALSE if the form element contains anything other than alphabetical characters.
-**alpha_numeric** No Returns FALSE if the form element contains anything other than alpha-numeric characters.
-**alpha_dash** No Returns FALSE if the form element contains anything other than alpha-numeric characters,
- underscores or dashes.
-**numeric** No Returns FALSE if the form element contains anything other than numeric characters.
-**integer** No Returns FALSE if the form element contains anything other than an integer.
-**decimal** Yes Returns FALSE if the form element is not exactly the parameter value.
-**is_natural** No Returns FALSE if the form element contains anything other than a natural number:
- 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.
-**is_unique** Yes Returns FALSE if the form element is not unique in a database table. is_unique[table.field]
-**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.
-**valid_base64** No Returns FALSE if the supplied string contains anything other than valid Base64 characters.
-======================= ========== ============================================================================================= =======================
+========================= ========== ============================================================================================= =======================
+Rule Parameter Description Example
+========================= ========== ============================================================================================= =======================
+**required** No Returns FALSE if the form element is empty.
+**matches** Yes Returns FALSE if the form element does not match the one in the parameter. matches[form_item]
+**is_unique** Yes Returns FALSE if the form element is not unique to the is_unique[table.field]
+ table and field name in the parameter. is_unique[table.field]
+**max_length** Yes Returns FALSE if the form element is longer then the parameter value. max_length[12]
+**exact_length** Yes Returns FALSE if the form element is not exactly the parameter value. exact_length[8]
+**greater_than** Yes Returns FALSE if the form element is less than the parameter value or not numeric. greater_than[8]
+**equal_to_greater_than** Yes Returns FALSE if the form element is not equal to or less than the parameter value, greater_than[8]
+ or not numeric.
+**less_than** Yes Returns FALSE if the form element is greater than the parameter value or not numeric. less_than[8]
+**equal_to_less_than** Yes Returns FALSE if the form element is not equal to or greater than the parameter value, less_than[8]
+ or not numeric.
+**alpha** No Returns FALSE if the form element contains anything other than alphabetical characters.
+**alpha_numeric** No Returns FALSE if the form element contains anything other than alpha-numeric characters.
+**alpha_dash** No Returns FALSE if the form element contains anything other than alpha-numeric characters,
+ underscores or dashes.
+**numeric** No Returns FALSE if the form element contains anything other than numeric characters.
+**integer** No Returns FALSE if the form element contains anything other than an integer.
+**decimal** Yes Returns FALSE if the form element is not exactly the parameter value.
+**is_natural** No Returns FALSE if the form element contains anything other than a natural number:
+ 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.
+**is_unique** Yes Returns FALSE if the form element is not unique in a database table. is_unique[table.field]
+**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.
+**valid_base64** No Returns FALSE if the supplied string contains anything other than valid Base64 characters.
+========================= ========== ============================================================================================= =======================
.. note:: These rules can also be called as discrete functions. For
example::