ho provato cosi
ma mi da errore:

^((\d{2}((0[13578]|1[02])(0[1- 9]|[12]\d|3[01])|(0[13456789]|1[012])(0[1-9]|[12]\d|30)|02(0[1-9]|1\d|2[0-8])))|([02468][048]|[13579][26])0229)([0-1]\d|[2][0-3])\[0-5]\d\[0-5]\d)$