body('description').optional().custom(isUserDescriptionValid).withMessage('Should have a valid description'),
body('password').optional().custom(isUserPasswordValid).withMessage('Should have a valid password'),
body('email').optional().isEmail().withMessage('Should have a valid email attribute'),
body('description').optional().custom(isUserDescriptionValid).withMessage('Should have a valid description'),
body('password').optional().custom(isUserPasswordValid).withMessage('Should have a valid password'),
body('email').optional().isEmail().withMessage('Should have a valid email attribute'),