You can use the Asc function to get the Ascii character number for practically any character, or there are lots of sites with character code charts for several unicode character sets. The double quote would be an odd one to get since the string passed to the function has to be in quotes. That one would be Asc("""").
- "doesn't work" doesn't help. Post error #s & text, if known.
- Use code tags for code/sql; show where errors occur
Make all suggested changes in copies of your database or to its objects.