regioirregular polymer

https://doi.org/10.1351/goldbook.08866
Regular polymer or an irregular polymer whose macromolecules contain non-uniformly oriented simple asymmetric repeating units.
Note:
The difference between regioirregular, irregular and regular chains is shown in the following chart.
Source:
PAC, 2022, 94, 15. (Glossary of terms relating to electronic, photonic and magnetic properties of polymers (IUPAC Recommendations 2021)) on page 45 [Terms] [Paper]