User patterns can be useful when recognizing ID type of fields which have non-dictionary words but follow specific patterns of alphabets and digits e.g. \A\A\d\d\d\d\A or \A\A\d\d\d\A This wiki page ...
IronOcr offers free version for development purposes only. This creates a restriction that app can only be debugged if license key is not added. Because of this, this example with ...