updateMask method
Implementation
TextEditingValue updateMask({String? mask, Map<String, RegExp>? filter}) {
_mask = mask;
if (filter != null) {
_updateFilter(filter);
}
_calcMaskLength();
final unmaskedText = getUnmaskedText();
clear();
return formatEditUpdate(
TextEditingValue.empty,
TextEditingValue(
text: unmaskedText,
selection: TextSelection.collapsed(offset: unmaskedText.length)));
}