Use re.search when blacklisting categories.
Use re.search when blacklisting categories.


Former-commit-id: dc236a148c914771ffd238c5c5412bd9e0eb065c
guilherme-pg/citationhunt,guilherme-pg/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,eggpi/citationhunt,eggpi/citationhunt