The Shipping Container use case from Anyline Ocr Plugin allows you to easily scan ISO 6346 compliant numbers with check digit.
Mobile shipping container scanning is the perfect solution for managing cargo and shipping manifests.
You can easily customize it in order to optimize for your specific use case by adding a character whitelist, a regular expression and many more.
You can see the full list of parameters in AnylineOCR Plugin Parameters, section.
A couple of different examples can be found at Anyline Demos and Samples: Scrabble.