Ignoring case
With case ignored, a search for apple finds apple, Apple and APPLE. This is usually what you want when you are fixing a word that may appear at the start of a sentence, in a heading or in capitals.
Keep the original capitalisation
A plain replacement puts your exact text everywhere, so a capitalised word loses its capital. Tick Match the case of each original and the replacement copies the style of what it replaces:
- An all-capitals match gives an all-capitals replacement: COLOUR becomes COLOR.
- A capitalised match gives a capitalised replacement: Colour becomes Color.
- A lowercase match gives a lowercase replacement: colour becomes color.
- Mixed case such as cOlOuR is replaced with your text exactly as you typed it.
Found as
The table shows each form that was matched and how many times, such as Colour 4, colour 9 and COLOUR 1. It is a quick way to see how a word was written across a document.
Limits
Ignoring case does not ignore accents, so cafe and café are different words. Case folding follows standard rules rather than a particular language, so special cases such as the Turkish dotted and dotless I are not handled.
For exact-case replacement use find and replace. For patterns, try regex find and replace, and read the guide for more.