Layer7 API Management

A simple policy that allows extraction of a substring

To use:

1. Open policy manager and create a test service
2. Download the attached file and import the XML file into your new service
3. Modify these variables as needed:
   STRING: The string to extract the substring from
   START: The starting position
   LEN: Length of characters to extract
4.  Hit the endpoint via your desired user agent (i.e: browser, SOAPUI, etc).

Sample output

Full string: This is a test string  
Start Position: 1 
Length: 4 
Result: This