USAGE OF REGULAR EXPRESSIONS IN NLP

A usage of regular expressions to search text is we ll known and understood as a useful technique. Regu lar Expressions are generic representations for a string or a collection of str ings. Regular expressions (regexps) are one of the most useful tools in computer science. NLP, as an area of computer science, has gbenefitted from regexps: they are used in ph onology, morphology, text analysis, information extraction, & speech recognit ion. This paper helps a reader to give a general re view on usage of regular expressions illustrated with examples from natural language processing. In addition, there is a discus sion on different approaches of regular expression in NLP.