The search function includes preceding or trailing punctuation when it searches for words. For example, I have an alert where the "description" field is:
Transaction "Cisco Call Manager Alarm Manager home page" on player Player 08 is Down. Last error message was "Step 'Cisco Unified
This search fails:
description: Cisco
This search succeeds:
description: '"Cisco'
Text indexing should disregard leading or trailing punctuation.