Excel style filtering is not working correctly with lower/upper case values

[MonikaKirkova]

Description

Excel style filtering is not working correctly with lower/upper case values when more than 2 values are selected

• igniteui-angular version:
• browser:

Steps to reproduce

1. Open this sample
2. Open the excel style dialog for column 'field2'
3. Enter 'Harald_' into the Search field
4. Press 'Apply'

Result

'Harald_a1' value is missing and 'Harald_A1' is displayed

Expected result

'Harald_a1' and 'Harald_A1' values should be displayed

Attachments