Oracle’s capability to match the receipt amount with the expense report amount.

We have the a requirement where client is looking for a feature where Oracle is able to read the amount in the receipt attachment and match it to the expense item amount, and give some warning or error if the amounts do not match and submitter tries to submit the ER. We understand this could be the auditor's or approvers responsibility to check these things, but still.

There is some other ERP software (appzenn) for expense that has this ability, and so client is thinking to drop Oracle expense and start using the other software. Is there any solution or workaround for this, or if there is already an idea, do we have a link?