I need to extract this number 5531123456789
of this html code
Celular
<div class="col-sm-9">
<input type="text" readonly="" class="form-control-plaintext col-form-label-sm" id="CelularMasked_02216705-ade2-f2dc-1db3-db16ea3d32ca" value="(**) *****-6789">
</div>
<i class="fas fa-eye ml-2 fa-xs text-orthopride align-self-center" id="celularPaciente" onmouseover="exibirCelular(true);" onmouseout="exibirCelular(false)" data-toggle="tooltip" data-placement="top" title="" data-original-title="Visualizar celular do paciente"></i>
<a class="d-flex" href="https://wa.me/5531123456789" target="_blank">
<i class="fab text-success fa-whatsapp ml-2 fa-xs align-self-center" aria-hidden="true" data-toggle="tooltip" data-placement="right" title="" data-original-title="Chamar no Whatsapp"></i>
</a>
</div>