Laravel Captcha : Numeric captcha

I created a multilingual program. I think some user don’t user QWERTY keyboard (etc. kanji).

So I need numeric captcha.

At the end I installed and modified Hamog Captcha : https://packagist.org/packages/hamog/captcha

project folder \vendor\hamog\captcha\src\ Captcha.php

protected function randomText()
{
//$alphaNumeric = array_merge(range('A', 'Z'), range('a', 'z'), range(0, 9));
$alphaNumeric = range(0, 9);

}

Now the captcha shows only numbers.

http://auctionandwebshop.blogbook.hu/product/198

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