Provide a way to add exclusions to repetitions

[jvoisin]

Check for existing issues

• Completed

Describe the feature

repetitions don't provide a way to handle exclusions, only inclusions.

I'd love to implement a %s is repeated check, but it's ripe for false-positives without exclusions, like "oh oh oh", "sapiens sapiens", "did did", …

[jdkato]

This will be available in the next release.