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-rw-r--r--user_guide_src/source/libraries/form_validation.rst6
1 files changed, 4 insertions, 2 deletions
diff --git a/user_guide_src/source/libraries/form_validation.rst b/user_guide_src/source/libraries/form_validation.rst
index ae7859aa3..51205afa4 100644
--- a/user_guide_src/source/libraries/form_validation.rst
+++ b/user_guide_src/source/libraries/form_validation.rst
@@ -877,8 +877,10 @@ Rule Parameter Description
**less_than_equal_to** Yes Returns FALSE if the form element is greater than the parameter value, less_than_equal_to[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,
+**alpha_numeric** No Returns FALSE if the form element contains anything other than alpha-numeric characters.
+**alpha_numeric_spaces** No Returns FALSE if the form element contains anything other than alpha-numeric characters
+ or spaces. Should be used after trim to avoid spaces at the beginning or end.
+**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.