MLRegTest: A Benchmark for the Machine Learning of Regular Languages. - Sam van der Poel; Dakotah Lambert; Kalina Kostyszyn; Tiantian Gao; Rahul Verma; Derek Andersen; Joanne Chau; Emily Peterson; Cody St. Clair; Paul Fodor; Chihiro Shibata; Jeffrey Heinz (CoRR, 2023)