Chronoforms 8.0.9 - regex

Question

Hello...how can i stop the following characters for textareahrefwwwhttpshttp.xyz

Max_admin · Accepted Answer

use PHP validation for this (Valid Function) behavior:

if(str_contains($value, "href")){
return "your message should not contain href";
}
return true;

this will not stop the form to be submitted by the browser but users will not be able to send the form, it will show an error message