>Any of these characters are valid in a URABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~:/?#[]@!$&'()*+,;=
>
>About the only thing you can do is:
>
>Check that the characters are valid
>Check there is a period
>Check that there are characters before the period
>Check that there are characters after the period
>
>>Hi everybody,
>>
>>I have a textbox which will allow to enter a valid URL (https or http). Do you know what code should I use for validation of the user's input?
>>
>>Thanks in advance.

Don't forget that you can have Cyrillic site name like wwww.нешо.бг.