With the advantages of regular expression in string manipulation,this paper realizes extraction of oil price information from noisy and irregular Webpages. Points of importance and difficulty in realization are pointed out, and the structural description ability of regular expression in string manipulation is testified.
邵增荣,李英,范体军. 正则表达式在油价事件网页提取中的应用*[J]. 现代图书情报技术, 2009, 3(2): 83-88.
Shao Zengrong,Li Ying,Fan Tijun. The Application of Regular Expressions in Online Oil Price Event. New Technology of Library and Information Service, 2009, 3(2): 83-88.