When debugging my regex, I realized that negative lookbehinds were the only way to exclude prefixes without consuming characters.

The default mode network is often described as task-negative because it becomes less active while a person performs a goal-oriented task.

The pregnant woman discovered she was Rhesus negative, so the doctor scheduled additional antibody tests.

The RhD negative donor's blood was urgently needed for the surgery.

Linguists catalogued the orphaned negative as a rare lexical phenomenon in the corpus.

The nurse recorded his Rh negative blood type on the medical chart.

Despite the team's progress, the negative Nellies kept predicting failure.

Don't be such a negative Nelly when we're trying to plan the trip; your pessimism won't help.

In the grammar exercise, the students compared negative clauses to see how negation changes word order.

Several negative crystals were detected embedded in the rock sample.