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Description:

string mask

dart-string-mask #
A string formatter and validator based on masks
Port of https://github.com/the-darc/string-mask to Dart
Features and bugs #
Please file feature requests and bugs at the [issue tracker][tracker].
A string formatter and validator based on masks.
INSTALLATION #
With pub.dartlang.org!
dependencies:
string_mask: "^0.0.1"
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SPECIAL MASK CHARACTERS #

Character
Description

0
Any numbers

9
Any numbers (Optional)

#
Any numbers (recursive)

A
Any alphanumeric character

a
Any alphanumeric character (Optional) Not implemented yet

S
Any letter

U
Any letter (All lower case character will be mapped to uppercase)

L
Any letter (All upper case character will be mapped to lowercase)

$
Escape character, used to escape any of the special formatting characters.

Special characters types #

Optional characters: Used to parse characters that cold exist in the source string or not. See Date and time.

Recursive characters: Used to parse patterns that repeat in the end or in the start of the source string. See Two decimal number with thousands separators

Note: Any character of the mask positioned after a recursive character will be handled as a non special character.

USAGE #
Use it creating an mask instance with the StringMask contructor:
/**
* - optionsObject parameter is optional in the constructor
* - apply will return the a masked string value
* - validate will return `true` if the string matchs the mask
*/
var mask = new StringMask('some mask', options: new MaskOptions()); //optionsObject is optional
var maskedValue = mask.apply('some value string');
var isValid = mask.validate('some value string to validate');
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Or by the static interface:
/**
* - optionsObject parameter is optional in all methods
* - apply will return the a masked string value
* - validate will return `true` if the string matchs the mask
* - process will return a object: {result: <maskedValue>, valid: <isValid>}
*/
var maskedValue = StringMask.apply_('some value string', 'some mask', optionsObject);
var isValid = StringMask.validate_('some value string', 'some mask', optionsObject);
var result = StringMask.process_('some value string', 'some mask', optionsObject);
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Some masks examples #
Number
var maskOptions = new MaskOptions()
..reverse = true;

var formatter = new StringMask("#0", options: maskOptions);
var result = formatter.apply('123'); // 123
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Two decimal number with thousands separators
var maskOptions = new MaskOptions()
..reverse = true;

var formatter = new StringMask('#.##0,00', options: maskOptions);
var result = formatter.apply('100123456'); // 1.001.234,56
var result2 = formatter.apply('6'); // 0,06
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Phone number
var formatter = new StringMask('+00 (00) 0000-0000');
var result = formatter.apply('553122222222'); // +55 (31) 2222-2222
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Percentage
var maskOptions = new MaskOptions()
..reverse = true;

var formatter = new StringMask('#.##0,00', options: maskOptions);
var result = formatter.apply('001'); // 0,01%
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Brazilian CPF number
var formatter = new StringMask('000.000.000-00');
var result = formatter.apply('12965815620'); // 129.658.156-20
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Date and time
var formatter = new StringMask('90/90/9900');
var result = formatter.apply('1187'); // 1/1/87
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Convert Case
var formatter = new StringMask('UUUUUUUUUUUUU');
var result = formatter.apply('To Upper Case'); // TO UPPER CASE
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var formatter = new StringMask('LLLLLLLLLLLLL');
var result = formatter.apply('To Lower Case'); // to lower case
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International Bank Number
var formatter = new StringMask('UUAA AAAA AAAA AAAA AAAA AAAA AAA');
var result = formatter.apply('FR761111BBBB69410000AA33222');
// result: FR76 1111 BBBB 6941 0000 AA33 222
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CONTRIBUTING #
We'd love for you to contribute to our source code! We just ask to:

Write tests for the new feature or bug fix that you are solving
Ensure all tests pass before send the pull-request (Use: $ gulp pre-push)
Use commit messages following the commit conventions of angular.js Git Commit Guidelines
Pull requests will not be merged if:

has not unit tests
reduce the code coverage
not passing in the $gulp pre-push task

LICENSE #
Copyright (c) 2016 Daniel Campos (JS Project)
Copyright (c) 2017 Emerson Moura (DartProject)
Licensed under the MIT license.