@software{rory_nolan_2018_1249664, author = {Rory Nolan and Kirill Müller and Jim Hester}, title = {{rorynolan/filesstrings: `match\_arg()` and `nth\_number\_after\_mth()`}}, month = may, year = 2018, publisher = {Zenodo}, version = {v2.4.0}, doi = {10.5281/zenodo.1249664}, url = {https://doi.org/10.5281/zenodo.1249664} }