Magento
Magento2 :: Syatem Xml Validation Class
All Validation Rules and Description: Rule Description validate-no-html-tags HTML tags are not allowed. validate-select Select an option. validate-no-empty Empty Value validate-alphanum-with-spaces Use letters (a-z or A-Z), numbers (0-9), or spaces only in this field. validate-data Use letters (a-z or A-Z), numbers (0-9), or underscores (_) only in this field. The Read more…