Title: Alphanumeric form validation
Last modified: August 22, 2016

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# Alphanumeric form validation

 *  [ernest_d](https://wordpress.org/support/users/sfedona/)
 * (@sfedona)
 * [11 years, 6 months ago](https://wordpress.org/support/topic/alphanumeric-form-validation/)
 * I needed to prevent ‘First name’ and ‘Last name’ being submitted in non-latin
   characters .
 * I made a simple plugin for this
    [https://github.com/ecowebdesign/alphanumeric-form-validation](https://github.com/ecowebdesign/alphanumeric-form-validation)
 * It uses KevinSheedy/jquery.alphanum and can be easily customized for different
   filter methods.
 * [https://wordpress.org/plugins/s2member/](https://wordpress.org/plugins/s2member/)

Viewing 1 replies (of 1 total)

 *  Thread Starter [ernest_d](https://wordpress.org/support/users/sfedona/)
 * (@sfedona)
 * [11 years, 6 months ago](https://wordpress.org/support/topic/alphanumeric-form-validation/#post-5402914)
 * Currently it uses CSS classes for S2 member Pro #s2member-pro-paypal-checkout-
   first-name, but with inspection of forms can be adapted to any other form.

Viewing 1 replies (of 1 total)

The topic ‘Alphanumeric form validation’ is closed to new replies.

 * ![](https://ps.w.org/s2member/assets/icon-256x256.png?rev=980067)
 * [s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions](https://wordpress.org/plugins/s2member/)
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## Tags

 * [alphanumeric](https://wordpress.org/support/topic-tag/alphanumeric/)
 * [non-latin](https://wordpress.org/support/topic-tag/non-latin/)
 * [validation](https://wordpress.org/support/topic-tag/validation/)

 * 1 reply
 * 1 participant
 * Last reply from: [ernest_d](https://wordpress.org/support/users/sfedona/)
 * Last activity: [11 years, 6 months ago](https://wordpress.org/support/topic/alphanumeric-form-validation/#post-5402914)
 * Status: not resolved