Information Extraction of Forum Based on Regular Expression

This paper introduces the popular universal forum systems in domestic mainstream forum and analyzes the unique characteristics of these forum systems. Based on these unique characteristics, we propose the concept of system fingerprint which can used to detect the different systems of forum exactly and extract the users´ information efficiently. It contributes to the development of network information auditing. Experimental results show that the approach can achieve high extraction accuracy. It has important application value and practical significance.