With the upcoming release of WordPress 2.9 I thought this would be a good time to re-sync my original MakeItLink PHP class. I went back and did some additional checks with the make_clickable function in WordPress and found a few cases where it wasn’t generating the expected URL. That resulted in ticket #10990 [...]

In late October Jeff Atwood wrote about The Problems With URLs, describing the problems of parsing out URLs in text and transforming them into links. Here’s a simple example:

My website is at http://josephscott.org/

Would be changed into:

My website is at <a href=’http://josephscott.org/’>http://josephscott.org/</a>

Sounds simple right? Once you start looking at what the valid character set [...]