The "Last Name" textbox on the "Add Users" page does not validate the textbox

[valeria1208]

The "Last Name" textbox on the "Add Users" page does not validate the textbox ID: FERNANDEZ-001 SEVERITY: 4

DESCRIPTION: when you write numbers or simbols in the textbox "Last Name", it doesn´t appear an error message.

REQUIREMENTS: 1.- Have internet access 2.- Access to a web browser 2.- Acces to the link: https://qa-bugs-hunting-demo-site.herokuapp.com/add-user

STEPS: 1.- Enter to the link: https://qa-bugs-hunting-demo-site.herokuapp.com/add-user 2.- Write in the textbox "Name": "Nombre" 2.- Write in the textbox "Last Name": "abc123@" 3.- Press the button "Sign in" 4.- Notice that the message "contacto agregado satisfactoriamente!!!" appears and the textbox "Last Name" isn´t validate

ACTUAL RESULT: The "Last Name" textbox on the "Add Users" page does not validate what is written in the textbox

EXPECTED RESULT: The "Last Name" textbox on the "Add Users" page should validate the textbox "Last Name" and should´t permit to write numbers or other simbols.

[mauricioZelaya]

is this not a bug due to internacionalization, in different idioms it will be possible to add some symbols in name or last name