You can chk global configuration and set mobile validation regex from their.
Also still cannot change this format either?
What code to use for UK Phone, Mobile and Addess
UK Phone can be 0181 546 7894 or 04568 456789
UK Mobile is normally 01234 456789
Address Post codes are between W1 5WE to WR24 6TR, some are even double digit then i.e. WR32 54EW. I will confirm the latter though.