/^(https?:\/\/)?(([0-9a-z_!~*'().&=+$%-]+:)
?[0-9a-z_!~*'().&=+$%-]+@)?(([0-9]{1,3}\.){3}
[0-9]{1,3}
|
([0-9a-z_!~*'()-]+
\.)*
([0-9a-z][0-9a-z-]{0,61})+
[0-9a-z]
\.
[a-z]{2,6})
(:[0-9]{1,4})?((\/?)
|
(\/[0-9a-z_!~*'().;?:@&=+$,%#-]+)+\/?)$/