Some examples to show you what could be done. The pattern match is the most technical and time consuming. Also it requires a bigger piece carpet to extract the correct pattern from the carpet.
Carpet patterns repeat every 2-3 feet in both directions, I mean to the width and to the length.
Done Right at the very first time
The first example with the flowers was in a church. This was critical as it was an eye sore. Cleaning company dropped some chemical, and we were able to repair the pattern carpet. The second example was a pet damage and we resolved the issue without a hiccup.