Custom Laravel Alphanumeric Validator that allow spaces

Validator.php

Paste this Code in Validator.php

public function validateAlphaSpaces($attribute, $value, $params)
    {
        return preg_match('/^[\pL\s]+$/u', $value);
    }
    
    Create Custom Message some where at bottom in Validation.php
    
    /*
    |--------------------------------------------------------------------------
    | Custom Validation Attributes
    |--------------------------------------------------------------------------
    |
    | The following language lines are used to swap attribute place-holders
    | with something more reader friendly such as E-Mail Address instead
    | of "email". This simply helps us make messages a little cleaner.
    |
    */
    "alpha_spaces"     => "The :attribute may only contain letters and spaces.",
    
    and call it as usual
    
    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            'applicantName' => 'required|alpha_spaces',
        ];
    }
    
    Its Done. :)