Exact Match and Case Sensitive Comparison Examples

Spam filter example:

design.gif HOTMAIL.com is specified in the From: field of the Add/Edit Rules page.

With Exact Match checked,

From: hotmail.com is blocked
From: Dswenson@hotmail.com is not blocked
From: Sarahp@hotmail.com is not blocked

If Exact Match is NOT checked,

From: hotmail.com is blocked
From: Dswenson@hotmail.com is blocked
From: Sarahp@hotmail.com is blocked

With Case-sensitive comparison checked,

From: HOTMAIL.com is blocked
From: hotmail.com is not blocked
From: Hotmail.com is not blocked

See also:

Add-Edit: Case-sensitive comparison
Add-Edit: Exact Match