TexFinder doesn't contain a built-in replacement table editor but this feature is planned in future version. While waiting this great update, you can create your own table by following these steps:
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1 - Create a text-only file.
2 - A table as the following structure:
Line 1:
Comment and table information ///// case sensitive (true/false) /////
All other lines:
oldString1 TAB newString1
oldString2 TAB newString2
oldString3 TAB newString3
...
You can add a comment after each line by inserting another TAB after newString.
oldString and newString can also refer to ASCII values: type each desired ASCII value between <>
3 - Save and close the file
4 - Change its Apple type code to "L--T" and its creator code to "L--L".
5 - Finally, put your new table in the TexFinder "Tables" folder.
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The easiest way to create a new table is to copy an existing table and edit it with any text editor like SimpleText.
Don't worry if you are not sure of your new table, TexFinder always tests a table before applying it.