[pattern] property for Input doesn't work!

### Description

I want an input that shows price when user focuses on it in mobile, it triggers numpad of the phone not the whole of keyboard.
But as I want to seprate price like this: 234,000 I cant set type="number", because in number mode it cant handle string as input value.
I need pattern proprty for Input to first it handle comma in price and also trigger numeric keypad of mobile phones.

Thanks.