I'm afraid it's not possible, file diffs and file contents are indexed in a case insensitive way. Feel free to request such enhancement in https://jira.atlassian.com/browse/FE project if you think more users could find this useful, I can't see any such request raised yet though.
Thanks for signing up for Jira Ops! I’m Matt Ryall, leader for the Jira Ops product team at Atlassian. Since this is a brand new product, we’ll be delivering improvements quickly and sharing updates...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs