How do I do to make this regex: ^(\([0-9]{2}\))\s([9]{1})?([0-9]{4})-([0-9]{4})$
I insert this, but does not validate
In Google Docs it’s work fine!

Tt is possible that the validations are done to change field? Not only after sending the form?

I’m sorry by my poor english.

Thanks!

https://wordpress.org/plugins/si-contact-form/