Requirements (see attached mockup): Additional dropdown that supports: starts with, exact match, contains all, and contains any 

Default selection:  Contains all 

Scenarios:

1. Scenario - Starts with 

   • Given the user has selected the Advanced search button and the Advanced search modal appeared

   • When the user selects the Starts with search type

   • Then the search query should return authority results (1XX/4XX/5XX based on filter selections) that match the left-anchored search term

2. Scenario - Exact match

   • Given the user has selected the Advanced search button and the Advanced search modal appeared

   • When the user selects the Exact match search type

   • Then the search query should return authority results (1XX/4XX/5XX based on filter selections) that exactly match the search term entered

3. Scenario - Contains all

   • Given the user has selected the Advanced search button and the Advanced search modal appeared

   • When the user selects the Contains all type

   • Then the search query should return authority results (1XX/4XX/5XX based on filter selections) that contain the entered search term

4. Scenario - Contains any

   • Given the user has selected the Advanced search button and the Advanced search modal appeared

   • When the user selects the Contains any type

   • Then the search query should return authority results (1XX/4XX/5XX based on filter selections) that any of the entered search terms

mockup: