This plugin allows you to validate a field’s value against the WordPress Disallowed Comment Keys validation. This option can be set for a single field, multiple fields, all fields within a form. If the field fails validation it will display an error to the end user stating that their field contains disallowed words.
Features
Validate fields against Disallowed Comment Keys.
Prevent form submissions that include blocked words, phrases, or IPs.
Validate against a single field, multiple fields, or all fields.
Flexible validation to match your form’s needs.
Integrates with the built-in WordPress Disallowed Comment Keys.
Use the same blocklist for both comments and forms.
Reject submissions silently with a honeypot.
Reject entries without notifying the user that their entry has been blocked.