Is it possible to format a textbox to currency?

For example, if I update a value in a text box, I would like to be able to format it to currency. Is there a way to do that?

Hello,

On a regular textbox field, you can set your input to validate currency by selecting the field and choosing the kind of validation to run on the textbox:

If you have further questions on the matter, please let us know.

Thanks.

What I meant is to show the numbers in currency format for the end users. Can that be done?

...

Do you want to show currency sign inside of your text box field? Like this:

To achieve this you will need to update your conditions and add dollar sign "$"in front of numeric values. 

Hope this will help. Let us know if you need further assistance.