Rack Room Shoes app for iOS: Certain characters cause crashes during searches

iOS 13.4.1
Rack Room Shoes app for iOS (version 2.1)
Date: 04/10/20

Description:

Easy to reproduce crash with the Rack Room Shoes app for iOS. Certain characters, like these:

Crash the app.

Here's the crash dump:

Similar to crashes with other apps.

Steps to Reproduce:

1. Download and launch the Rack Room Shoes app for iOS
2. Select the "Search" option
3. Click inside the "Search for your favorite shoes" search input box
4. Run a search for [ or ] or < or >

Result: Running searches for numerous characters crashes the Rack Room Shoes app

Expected: Running searches for all characters should work - no character searches should crash the Rack Room Shoes app