I'm writing a Rails app that needs to convert an IDN domain name from Punycode into its Unicode equivalent. I tried installing the idn gem that has bindings to GNU LibIDN, but it won't compile the ...

There's a very handy function idn_to_ascii() in PHP 5.3, but I'm running 5.2.17 and I can't change that. How do I encode Unicode domain names to ascii then?

If I use a domain such as www.äöü.com, is there any way to avoid it being displayed as www.xn--4ca0bs.com in users’ browsers? Domains such as www.xn--4ca0bs.com cause a lot of confusion with avera...

First things first: I'm storing multiple domains to a database, after I've converted each and every domain name to it's IDNA version. What I need to know the maximum length such an IDNA-converted ...

I'm trying to perform authorization on a cyrillic domain using WebClient. Authorization goes through few stages with redirects between normal and punicode domains. The problem is HttpWebRequest can...

I’m currently working on a “proper” URI validator, and currently it all comes down to hostname validation; the rest isn’t that tricky. I’m stuck on IDN hostname labels (i.e., containing Unicode; p...

What is the best way to convert an internationalized domain name to its ASCII-form? I want to convert Bücher.ch into xn--bcher-kva.ch by using some sort of (free) .net code.

Some people will reply that domain names are not case-sensitive. In the new Unicode world this is no longer true. (Source) I thought one of the steps in the Unicode > Punycode conversion was a...

I'm trying to enable the IDN/IRI support for the URI class, because I need the "Uri.IsWellFormedUriString" method on german umlaut-domains (e.g. www.bücher.de). I found similar question at https:/...

I tried to build the following sample application available on msdn: http://msdn.microsoft.com/en-us/library/windows/desktop/dd319089%28v=vs.85%29.aspx I created a new C++ command line project in ...

IM/Email type scenario: User types whatever they want and sends it to their buddy. If they enter a URL, I want to make it clickable for the recipient. This means we need to identify a sequence of ...

I need help building a regular expression that can properly match an URL inside free text. scheme One of the following: ftp, http, https (is ftps a protocol?) optional user (and optional pass)...