Add regex property to one of required option.

[alxlnk]

20211

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 64.98%. Comparing base (76150c5) to head (32688de). Report is 2 commits behind head on master.

Files	Patch %	Lines
framework/widgets/MaskedInput.php	50.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #20212 +/- ## ========================================= Coverage 64.98% 64.98% - Complexity 11390 11391 +1 ========================================= Files 430 430 Lines 36919 36919 ========================================= Hits 23993 23993 Misses 12926 12926 ```

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[samdark]

Would you please add a line for changelog and a test?

[terabytesoftw]

You could try the exception and the message, by using regex on the widget without the option alias, and wait.

$this->expectException('yii\base\InvalidConfigException');
$this->expectExceptionMessage('$this message exception')

[mtangoo]

@alxlnk thanks for your time and efforts