Text field Field

Function : Displays a single line text field in the form

Label	The label of this element
CSS Class	CSS class assigned to this element
Style using CSS only	Defines whether or not JForms should append inline CSS attributes to the element, Set to “YES” if you want to disable inline CSS attributes
Required	Whether or not this field is required , the Form will not be submitted until this field is filled
Maximum length	Maximum number of characters allowed
User E-mail	Whether or not to consider this field as the E-mail address of the user filling this form (Used by mail plugin) (This parameter is to be deprecated, use E-Mail element instead
Validation	Validation rules to apply to this field, also see ”Adding a pre-defined validation rule
Other Validation Rule	Regular expression used to validate input (Available only when Validation = “Other”)

Note:

Sending the user a confirmatory “thank you” message

Prerequisites

Make sure you have the Mail Plugin enabled for this form
Make sure you have enabled the “Send User a confirmation message” setting from “Mail plugin slider tab under “Forms” tab)

Procedure

Create your form normally
Place a text field and set “Is User E-mail” to “Yes”
Modify the “User Confirmation Message” field to format the E-mail message you're sending to the user, You can use Mail Placeholders

Notes:

To create a required text field that allows a maximum length of 15 characters and uses a custom validation rule