Flex (lexical analyzer generator) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Flex (lexical analyzer generator)" in English language version.

Last modified: 02:09:35, 18 January 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

44westes.github.io

low place

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43books.google.com

3^rd place

3^rd place

low place

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6,944^th place

5,088^th place

low place

low place

low place

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1,901^st place

1,743^rd place

11princeton.edu

802^nd place

528^th place

11tomassetti.me

low place

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books.google.com (Global: 3^rd place; English: 3^rd place)

Levine, John (August 2009). flex & bison. O'Reilly Media. p. 9. ISBN 978-0-596-15597-1. In about 1987, Vern Paxson of the Lawrence Berkeley Lab took a version of lex written in ratfor (an extended Fortran popular at the time) and translated it into C, calling it flex, for 'Fast Lexical Analyzer Generator.'
Levine, John R.; Mason, Tony; Brown, Doug (1992). lex & yacc (2nd ed.). O'Reilly. p. 279. ISBN 1-56592-000-7. A freely available version of lex is flex.
Levine, John R.; Mason, Tony; Brown, Doug (1992). lex & yacc (2nd ed.). O'Reilly. pp. 1–2. ISBN 1-56592-000-7.

bxr.su (Global: low place; English: low place)

OpenBSD (2015-12-11). "src/usr.bin/lex/". BSD Cross Reference. Retrieved 2015-12-26. This is flex, the fast lexical analyzer generator.

gnu.org (Global: 1,901^st place; English: 1,743^rd place)

ftp.gnu.org

"Flex - a scanner generator - Table of Contents - GNU Project - Free Software Foundation (FSF)". ftp.gnu.org. Retrieved 2019-12-05.

mdoc.su (Global: low place; English: low place)

"flex(1)". *BSD man pages.
"yacc(1)". *BSD man pages.

oreilly.com (Global: 6,944^th place; English: 5,088^th place)

Levine, John (August 2009). flex & bison. O'Reilly Media. p. 304. ISBN 978-0-596-15597-1.

ports.su (Global: low place; English: low place)

"bison-3.0.4 – GNU parser generator". OpenBSD ports. 2015-11-15. Retrieved 2015-12-26.

princeton.edu (Global: 802^nd place; English: 528^th place)

cs.princeton.edu

"Flex, version 2.5 A fast scanner generator Edition 2.5, March 1995". Retrieved 20 April 2019.

tomassetti.me (Global: low place; English: low place)

Tomassetti, Gabriele (2020-03-04). "Why you should not use (f)lex, yacc and bison". Strumenta. Retrieved 2022-10-26.

westes.github.io (Global: low place; English: low place)

Is flex GNU or not?, flex FAQ
"Performance - Lexical Analysis With Flex, for Flex 2.5.37". Flex.sourceforge.net. Retrieved 2013-02-25.
"Reentrant - Lexical Analysis With Flex, for Flex 2.5.37". Flex.sourceforge.net. Retrieved 2013-02-25.
"Code-Level And API Options - Lexical Analysis With Flex, for Flex 2.5.37". Flex.sourceforge.net. Retrieved 2013-02-25.