input: if is a string pattern, use native html5 validation (if is possible)
input: if is a string pattern, use native html5 validation (if is possible)

- if don't support html5 pattern, use the component validation.

tonypee/vue-strap,wffranco/vue-strap,wffranco/vue-strap,lotestudio/vue-strap,BiodataMiningGroup/vue-strap,lotestudio/vue-strap,tonypee/vue-strap,BiodataMiningGroup/vue-strap,yuche/vue-strap,yuche/vue-strap