Since a website can be down at the moment and they are frequently changed, I wouldn't include a check for the presence of the URL in a validation function.

>Doesn't seem to work reliably.
>
>I tried invalid URL first, then valid URL, then http://stackoverflow.com/questions/161738.com (invalid) and it didn't give me any message.
>
>>

>>local m.url,m.Result
>>m.url="https://www.levelextreme.com/ViewPageGenericLogin.aspx"
>>
>>DECLARE INTEGER InternetCheckConnection IN wininet   STRING lpszUrl, INTEGER dwFlags, INTEGER dwReserved 
>>#DEFINE FLAG_ICC_FORCE_CONNECTION  1 
>>
>>LOCAL llResult 
>>m.lResult = (InternetCheckConnection(m.URL, FLAG_ICC_FORCE_CONNECTION, 0) = 1)
>>if m.lResult=.t.
>>messagebox("Valid URL",0+32+4096,'',1000)
>>else
>>messagebox("inValid URL",0+32+4096,'',1000)
>>endi
>>

>>
>>see also this:http://www.sourcecodester.com/tutorials/c/7296/url-validation-using-c.html
>>if you can translate to vfp (regExp)