Hi, we have a form on our webpage that requires someone to put in their own email adress, as well as three others to invite them for something.
That’s why we would like to validate the email adresses to see if they would not use
- the same email adress twice,
- the same name in an email adress twice (f.e. email@example.com and firstname.lastname@example.org)
One of those options would already be great! Could someone please help with that?
Thank you very much!