Code:
on *:input:*: {
  if ($1- == lol) { say Laughing Out Loud | halt }
  elseif (tommorow isin $1-) { say $replace($1-,tommorow,tomorrow) | halt }
}


That sort of thing would do what you want. You'd just want to adjust it to suit your needs. This could be set up in a wide variety of ways depending on what you're doing and how many changes you plan to have (few work fine in if/elseif format, many might work better in a hash table).

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