registerFilter() method

You can remove the filter by using the deregisterFilter() method.

registerFilter(name: String, func: Function): Core

(* denotes a required parameter)

Parameter	Type	Description
`name`*	`String`	The name of filter
`func`*	`Function`	The filter function

Using in the browser

const fv = FormValidation.formValidation(
    document.getElementById('demoForm'),
    {
        ...
    }
);

fv.registerFilter(...);

Using with ES6 module

import formValidation from 'formvalidation/dist/es6/core/Core';

const fv = formValidation(
    document.getElementById('demoForm'),
    {
        ...
    }
);
fv.registerFilter(...);

on() method registerPlugin() method