Is there a way to find and change uppercase letters of a certain character style and change them to lowercase within InDesign?
Answer
Yes! First, be certain the font has both upper and lowercase. Then, highlight the text you wish to convert. Locate from the top menu Type -> Change Case -> lowercase
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Or
If you need to find something specific you can try the Find/Change feature… Locate from the top menu Edit -> Find/Change
(or use the keyboard shortcut ⌘+F)
It will pull up a panel that looks like this… and with a little playing around, you can familiarize yourself with it’s awesome abilities.
Attribution
Source : Link , Question Author : user25987 , Answer Author : DᴀʀᴛʜVᴀᴅᴇʀ