The ? (question mark) wildcard means exactly one arbitrary character. Note that it does not work when trying to find non-UTF-8 or multibyte characters. If you want to search for these characters, the expression ?? might work, or you can use the * wildcard instead.
| Search expression | example? |
| Matches |
example1 examples |
| Does not match |
example.com example12 query-by-example example? |
| Search expression | ?example? |
| Matches |
1example2 |
| Does not match |
example.com example12 query-by-example |
| Search expression | example?? |
| Matches |
example12 |
| Does not match |
example.com example1 query-by-example |