Regular Expression Search/Replace
With this feature you have the option to re-format / replace the value that comes in before it goes out. This is not to be confused with the Output Format feature we have against fields on a delivery (which is limited).
The Regular Expression feature is an advanced feature that should be used if you have knowledge experience with Regular Expressions, specifically Patterns and Replacements. We use this PHP Function: https://www.php.net/manual/en/function.preg-replace.php
This feature is found within your Delivery under the options button for the field
This number format 07879000194 would be delivered as 07879-000-194