doc: describe how to run single tests
@@ -50,6 +50,12 @@ The alternative to `make run_nokdbtests`:
ctest -T Test --output-on-failure -LE kdbtests -j 6
```
+To only run tests whose names match a regular expression, you can use:
+
+```sh
+ctest -V -R <regex>
+```
+
## Required Environment
To run the tests successfully, the environment
