I'm trying to put a mask on - vue-the-mask
<the-mask
id="input1"
v-model="ch_anual"
type="text"
:mask="['###:##', '#.###:##']"
/>
But, you're only getting the second mask
if I put ###.###.###-## , ##.###.###/####-## it works
jsFiddle: link
This happens because you have two masks acting on the same segment, which would be 5-digit, ie in the first mask you have the mask acting on the 5 character by applying ### - ## and at the same time you have the other mask acting by applying #. ### - #
It may seem confusing but this component acts on the control characters in this case 2 two acting on the 5 character.