On the Expressive Power of Regular Expressions with Backreferences. - Taisei Nogami; Tachio Terauchi (MFCS, 2023)

Regular Expressions with Backreferences on Multiple Context-Free Languages, and the Closed-Star Condition. - Taisei Nogami; Tachio Terauchi (CoRR, 2024)

Efficient Matching of Some Fundamental Regular Expressions with Backreferences. - Taisei Nogami; Tachio Terauchi (MFCS, 2025)

Measuring the expressive power of practical regular expressions by classical stacking automata models. - Taisei Nogami; Tachio Terauchi (Inf. Comput., 2025)