METHOD AND DEVICE FOR PATTERN MATCHING IN A DEEP PACKET INSPECTION (DPI) DEVICE

摘要

The present invention provides a method and an apparatus for mode matching. The method for mode matching includes: reading the mode matching string, where the mode matching string includes at least one logical matching field that is used to match the logical relationship; reading the target character string to be matched, where the target character string to be matched includes logical relationship information; using the logical matching field in the mode matching string to match the logical relationship in the target character string to be matched. The technical solution of the present invention improves the capability for matching the text information that carries the logical relationship information.