[web2py] ORing between validators

[Neveen Adel]

Hello,

  I have a field in database that can accepts float numbers or time.

so i need to have OR-ing between the following expression:

 db.WO.cost_time.requires = [IS_MATCH(r'^\d*\.{0,1}\d+$') or
IS_TIME()]

How can i do this?

Thanks in Advance