Norconex Importer is a Java library and command-line application meant to "parse" and "extract" content out of a file as plain text, whatever its format (HTML, PDF, Word, etc). In addition, it allows you to perform any manipulation on the extracted text before using it in your own service or application.
I have a field such as the one below:
With the configuration below, I expect "44933639" to be written back to the same field. Instead, the original field value is returned.