UserRequest.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class UserRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            'name' => 'required|string|max:191',
            'birth' => 'required|date',
            'gender' => 'required',
            'mobile' => 'required|string|max:11|min:11',
            'phone' => 'required|string|max:10|min:10',
            'email' => 'required|string|email|unique:users',
            'password' => 'required|string|min:8',
        ];
    }

    protected function prepareForValidation()
    {

        $input = array_map('trim', $this->all());

       /*$this->replace([
            'mobile' => str_replace(['(', ')', '-'], '', $this->input('mobile')),
            'phone' => str_replace(['(', ')', '-'], '', $this->input('phone')),
       ]);*/

        $input['mobile'] = str_replace(['(', ')', '-'], '', $this->input('mobile'));
        $input['phone'] = str_replace(['(', ')', '-'], '', $this->input('phone'));

        $this->replace($input);

    }
}