Applying validation rules

Validation rules can be applied to elements to alert users when they have entered incorrect information. You can apply validation rules to validate:

• email addresses
• numbers
• URLs
• website addresses
• phone numbers
• regular expressions.

For example, the following element has a phone number validation that alerts the user when they do not enter a valid phone number.

To apply a validation rule:

1. Click .
2. Select either:
   • Text input
   
   • Text area
   
   • Text label.
   
3. Click . See <Online_form_builder> - Properties tab.
   The Properties tab is displayed.
   
4. Select a validation option from the Validation drop-down list.
   
   The validation rule is applied to the selected element.
   Tip: You can preview the validation by clicking  and typing non-conforming content into the field. For example, text into a Mobile number field. 
5. Repeat steps 2 through 4 to add additional validation rules.
6. Click .