2 var r
= /^
([\
+-]?\d
{4}(?
!\d
{2}\b))((-?
)((0[1-9]|1[0-2])(\
3([12]\d
|0[1-9]|3[01]))?
|W([0-4]\d
|5[0-2])(-?
[1-7])?
|(00[1-9]|0[1-9]\d
|[12]\d
{2}|3([0-5]\d
|6[1-6])))([T\s
]((([01]\d
|2[0-3])((:?
)[0-5]\d
)?
|24\
:?
00)([\
.,]\d
+(?
!:))?
)?
(\
17[0-5]\
d([\
.,]\d
+)?
)?
([zZ
]|([\
+-])([01]\d
|2[0-3]):?
([0-5]\d
)?
)?
)?
)?$
/;