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Description:

mask text input formatter

mask_text_input_formatter #

The package provides TextInputFormatter for TextField and TextFormField which format the input by a given mask.

Example #
Check 'example' folder for code sample

Usage #

Follow the install guide

Import the library:

import 'package:mask_text_input_formatter/mask_text_input_formatter.dart';
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Create mask formatter:

var maskFormatter = new MaskTextInputFormatter(
mask: '+# (###) ###-##-##',
filter: { "#": RegExp(r'[0-9]') },
type: MaskAutoCompletionType.lazy
);
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Set it to text field:

TextField(inputFormatters: [maskFormatter])
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Get value #
Get masked text:
print(maskFormatter.getMaskedText()); // -> "+0 (123) 456-78-90"
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Get unmasked text:
print(maskFormatter.getUnmaskedText()); // -> 01234567890
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Change the mask #
You can use the updateMask method to change the mask after the formatter was created:
var textEditingController = TextEditingController(text: "12345678");
var maskFormatter = new MaskTextInputFormatter(mask: '####-####', filter: { "#": RegExp(r'[0-9]') });

TextField(controller: textEditingController, inputFormatters: [maskFormatter]) // -> "1234-5678"

textEditingController.value = maskFormatter.updateMask(mask: "##-##-##-##"); // -> "12-34-56-78"
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