Formatters are similar to validators, with the two often being used hand-in-hand to first validate data, then format any output to be displayed. Flex comes with a number of predefined formatters that can make your development chores easier. These Flex formatters have been specifically designed to handle data that typically comes from a back-end system, such as a database, but likely isn’t in a presentable format for the user to comfortably view.

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