... crucial for Internet users to obtain the desired information in an efficient and direct manner. Currently, there is a lot of information available in structured format on the web. For example, ... finding structured information on the web becomes object retrieval problem. Unfortunately, the current information retrieval approaches can not handle object search effectively. Therefore, in recent ... the format of the number in standard and Vietnamese format. For example, “123456.78” in standard format is “123,456.78” which in Vietnamese format is “123.456,78”. We use regular expression for...