routes.php

Route::group(['prefix' => 'user'], function () {
    
    Route::get('login', ['as' => 'login-user', 'uses' => 'AuthController@loginAdmin']);

    Route::post('login', ['as' => 'login-user-post', 'uses' => 'AuthController@authAdmin'])->before('csrf');

    Route::get('dashboard', ['as' => 'dashboard-user', 'uses' => 'UserController@dashboard']);
    
});

Route::group(['prefix' => 'admsis'], function () {

    Route::get('login', ['as' => 'login-admin', 'uses' => 'AuthController@loginAdmin']);

    Route::post('login', ['as' => 'login-admin-post', 'uses' => 'AuthController@authAdmin'])->before('csrf');

    Route::get('dashboard', ['as' => 'dashboard-admin', 'uses' => 'AdminController@dashboard']);

});

Route::whenRegex('/^admsis(\/(?!login)\S+)?$/', 'auth:admsis');
Route::whenRegex('/^user(\/(?!login)\S+)?$/', 'auth:user');