# Characterising REGEX languages by regular languages equipped with factor-referencing

> Research article (Information and Computation, 2016) · cited 30× · AI/ML

**Wikidata**: [openalex:W2286758035](https://www.wikidata.org/wiki/openalex:W2286758035)  
**Source**: https://4ort.xyz/entity/characterising-regex-languages-by-regular-languages-equipped-with-factor-referencing