040000 tree bb71c346119716353e6823f66d6dd485c7711457	re.alg.match
040000 tree 20e0110ef0c8c9c85761684bb66cda1de628977d	re.alg.replace
040000 tree f92d26fa6a04454b1d4c9cfd6420cf1c4bd0162c	re.alg.search
040000 tree 3b6b0e6627e5b8492f5920ca783ef97de29b12b6	re.except