Method check

lib/utils/gui.py:58–62

(self, *args)

            self.get, self.set = self.var.get, self.var.set

        def check(self, *args):
            if re.search(self.regex, self.get()):
                self.old_value = self.get()
            else:
                self.set(self.old_value)

    try:
        window = _tkinter.Tk()