Javascript validation for URL

[technoguy]

I want to validate textbox using java script for URL.

Any help will be appreciated. Thank you

[nico_swd]

function is_valid_url(url)
{
return url.match(/^(ht|f)tps?:\/\/[a-z0-9-\.]+\.[a-z]{2,4}\/?([^\s<>\#%"\,\{\}\\|\\\^\[\]`]+)?$/);
}




This should do it.