Use validation patterns/lists to flag discrepancy in extracted data

Use validation patterns/lists to flag discrepancies in extracted data and prevent incorrect data from going through.

When a date/number format pattern is explicitly specified, the date/number is auto corrected.

See the following examples:

Table 1. Example of date format pattern
Incorrect OCR Data Pattern Auto-Correction
15 10-2015 dd-mm-yyyy 15-10-2015
Table 2. Example of number format pattern
Incorrect OCR Data Pattern Auto-Correction
123 4567 9999999 1234567