Sketch-Driven Regular Expression Generation from Natural Language and Examples Xi Ye author Qiaochu Chen author Xinyu Wang author Isil Dillig author Greg Durrett author 2020 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal ye-etal-2020-sketch 10.1162/tacl_a_00339 https://aclanthology.org/2020.tacl-1.44/ 2020 8 679 694