2 Aug 08, 2007 21:41
I hate to say this, but it is already done.
Look [url=http://forums.b2evolution.net/viewtopic.php?t=12228&start=0&postdays=0&postorder=asc&highlight=]here[/url] (¥åßßås official announcemnt of the plugin)
or [url=http://innervisions.org.uk/]here[/url] ( ¥åßßås website)
You can get a look at the code. That will explain some of the nice features of text replacement.