Difference between revisions of "Lexical analysis"
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Revision as of 10:29, 2 September 2015
In computer science, lexical analysis is the process of converting a sequence of characters (such as a computer program or web page) into a sequence of tokens (strings with an identified "meaning").
Description
A program that performs lexical analysis may be called a lexer, tokenizer, or scanner (though "scanner" is also used to refer to the first stage of a lexer).
Such a lexer is generally combined with a parser, which together analyze the syntax of programming languages, web pages, and so forth.
See also
- Computer program
- Computer programming
- Computer science
- Compiler
- Programming language
- Syntax (programming languages)
External links
- Lexical analysis @ Wikipedia
