Tkinter GUI Application Development Blueprints, Second Edition - Second Edition

Formatting widget data

Input data such as date, time, phone number, credit card number, website URL, and IP number, have an associated display format. For instance, the date can be better represented in a MM/DD/YYYY format.

Fortunately, it is easy to format data in the required format as the user enters it in the widget, as shown in the following screenshot:

The 10.07_formatting_entry_widget_to_display_date.py code automatically formats user input to insert forward slashes at the required places to display the date entered by a user in the MM/DD/YYYY format:

from tkinter import Tk, Entry, Label, StringVar, INSERTclass FormatEntryWidgetDemo: ...