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Utility "Light Web Searcher" allows to search for textual information in the web-sites. In a difference from the Google-like global searching systems, given software provides only local information searches in concrete sites. The main advantage is that Light Web Searcher searches for a data directly in the pages of site (downloading and keeping them at user's computer), rather than just in the internal data-base, that probably contains outdated information. However, cache of the stored pages can be used for acceleration of repeated inquiries. User can use complex queries searching for words or phrases and access all content of the found pages and all coincidences with search query, on completion of search, without the additional use of Internet. Features : Multithreaded, effective page downloading; Simple interface which suports English, Ukrainian and Russian languages; Reuse of pages downloaded before for the search; Use of a proxy-servers, including those which require authorizing; Presence of help in all afore-mentioned languages; Use of the Perl regular expressions in search queries; Management of a search zone by means of the pointing of maximal depth, and limiting the search by a concrete site or path inside it;