Treasure Date uses an abbreviation (regex, regexp, path regex) to refer to regular expressions. Regular expressions are:
- patterns used to match character combinations in strings
- a sequence of characters that define a search pattern
The term appears occasionally in TD Console. For example:
- For on-demand jobs, just add the --result (or -r) option to the td query command. After the job is finished, the results are written into your collection.

- It might also appear like:

Treasure Data's implementation of regular expression uses the java.util.regex Class Pattern, which is not fully compliant with POSIX.