0-24 hours validation using regex

I want regex to validate 0-24 hours only.

It could be 1.00,01.67,24.00,23.09,00.56,00.00,06.45
like that user can enter the value between 0-24.

I wrote this

((^\d|[0]\d|[1]\d|[2][0-3])+(\.[\d]{1,2})?)|[24]+(\.[0][0])?$