/ Published in: C#
This static function will append a string to a RichTextBox while high-lighting characters that don't match a reference string. It's similar to a file-compare GUI that high-lights mis-matched characters.
![alt text](https://docs.google.com/uc?id=0Bw1KoEBfCFrEMmY1ZmVjZjUtMGE4Ny00OWE0LTg1YWItNDkzNzljMWZiYTA2&export=download&authkey=CNOQvbwI&hl=en)
![alt text](https://docs.google.com/uc?id=0Bw1KoEBfCFrEMmY1ZmVjZjUtMGE4Ny00OWE0LTg1YWItNDkzNzljMWZiYTA2&export=download&authkey=CNOQvbwI&hl=en)