Before you read any further, remember to smile, or the pixie dust won't do any good!

Option 1

• Close your eyes.
• Click your heels three times.
• Repeat after me, "There's no place like home. There's no place like home. There's no place like home. "

Option 2

Use emacs, it can preserve the case of the found pattern in the replacement string.

Option 3

Follow duff's advice