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In essence, this is equivalent to Find and Replace.
Add a leading angle bracket and space to each line (quote a message)
Add commas to numeric strings
Case-Insensitive Change
Change ALL instances in a line
Change multiple spaces to a single space
Change 1st instance in a line
Change 4th instance in a line
Change lines which contain a specific string
Change lines which do NOT contain a specific string
Change only the last case
Change related words
Change next-to-last case
Change the next-to-last case
Parenthesize first character of each word
