Flex, version 2.5

A fast scanner generator

Edition 2.5, March 1995

This manual documents flex. It covers release 2.5.

• 1.0 Name
• 1.1 Synopsis
• 1.2 Overview
• 1.3 Description
• 1.4 Some simple examples
• 1.5 Format of the input file
• 1.6 Patterns
• 1.7 How the input is matched
• 1.8 Actions
• 1.9 The generated scanner
• 1.10 Start conditions
• 1.11 Multiple input buffers
• 1.12 End-of-file rules
• 1.13 Miscellaneous macros
• 1.14 Values available to the user
• 1.15 Interfacing with yacc
• 1.16 Options
• 1.17 Performance considerations
• 1.18 Generating C++ scanners
• 1.19 Incompatibilities with lex and POSIX
• 1.20 Diagnostics
• 1.21 Files
• 1.22 Deficiencies / Bugs
• 1.23 See also
• 1.24 Author

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