Аннотация:The paper describes main features of formal lexico-syntactic pattern language (LSPL) proposed for specification of linguistics information about NL expressions automatically extracted from Russian texts. A fully-implemented procedure for matching LSPL-patterns with text are presented, as well as developed programming tools for extraction of phrases specified by the patterns. Two applications of the language and the tools are discussed: terminological analysis of scientific texts and processing of NL sentences for question answering. LSPL-patterns developed for these applications are briefly characterized.