let correo = document.getElementById("idCorreo").value; let rut = document.getElementById("idRut").value;

let expRegCorreo = /[a-zA-Z0-9_.-]+@[a-zA-Z0-9_.-]+.(com|cl|mx)$/m; let expRegRut = /^[0-9]{1,2}(.?[0-9]{3})(.?[0-9]{3})(-[0-9,k,K]$)/m;