dilvie/h5Validate — pull request #82 by u01jmg3 (2013-08-21 14:29:45+00:00)
Title: Extended phone regex - see below

Added ^ and $ for start and end so surplus chars cause an error
Extended the numbers allowed in brackets to be 6 so (01224) is allowed
Added the optional space so ext 5555 is allowed as well as ext5555
Made the whole thing case insensitive to allow for EXTENSION, etc