Bibex, BibTeX Extractor, is a 100%-pure Java program that automates the extraction of bibliographic references from BibTeX databases using regular expressions. Using Bibex user interface, it is possible to define, to save, and to perform BibTeX references extraction tasks easily and automatically. Bibex is very useful when using bibtopic or similar packages! The author is Yann-Gaël Guéhéneuc.