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• Computers: Programming: FAQs, Help, and Tutorials  (36)

GNU awk User's Guide - Regular Expressions Documentation of the Regular Expression syntax used in GNU Awk. http://www.gnu.org/software/gawk/manual/html_node/Regexp.html

grep - Regular Expressions Documentation of the Regular Expression syntax used in GNU grep. http://www.gnu.org/software/grep/doc/grep_7.html

Mastering Regular Expressions (Second Edition) Book by Jeffrey Friedl. Includes table of contents, full index, an errata sheet. http://regex.info/

Posix Basic Regular Expression A description of both basic Posix Regular Expression syntax, the programming interface and some advanced features that are provided in the implementation of POSIX.2 regular expressions in the GNU C Library. http://chaos4.phy.ohiou.edu/~thomas/ref/info/rx/Top.html

Programming in Emacs Lisp - Regular Expression Searches Documentation of the Regular Expression syntax used in Emacs Lisp. http://www.gnu.org/software/emacs/emacs-lisp-intro/html_node/Regexp-Search.html

Regex on Pete Freitag's Blog The basics of using regular expressions with ColdFusion's REFind, and REReplace functions. http://www.petefreitag.com/tag/regex

Regular Expression HOWTO Detailed HowTo documentation about regular expressions usage in combination with the Phyton programming/scripting language. http://www.amk.ca/python/howto/regex/regex.html

Regular Expression Quick Reference Single sheet quick reference card for regular expressions. [PDF] http://www.night-ray.com/regex.pdf

Regular Expressions A brief and general introduction. http://www.ipgp.jussieu.fr/~choi/LGM/UNIX/regex.html

Regular expressions An introduction from a University course. http://www.seas.upenn.edu/~cit596/notes/dave/regexp0.html

Regular Expressions - Single Unix Specification Specification for regular expressions -- massive document, somewhat technical. http://www.opengroup.org/onlinepubs/007908799/xbd/re.html

Regular Expressions: An Introduction An essential guide to one of the most useful tools in the web development: regular expressions. http://www.digitalamit.com/article/regular_expression.phtml

Regular Expressions in ne (Nice Editor) A description of the regular expression support in ne (Nice Editor). http://www.emerson.emory.edu/services/editors/ne/Regular_Expressions.html

Regular Expressions Reference Downloadable reference with examples, by Miloslav Nic. http://www.zvon.org/other/reReference/Output/

Regular Expressions Tutorial A tutorial and reference for many popular regular expression flavors used by programming languages like Perl, PHP, Java, C# and VB.NET as well as a description of general tools like PowerGREP and EditPad. http://www.regular-expressions.info/

Regular Expressions Tutorial at Zvon A tutorial with many examples which can be downloaded for off-line use. http://www.zvon.org/other/PerlTutorial/Books/Book1/

Seeing With C - Regular Expressions A writeup on regular expressions connecting the math. and the CS views to regular expressions. http://www.seeingwithc.org/topic7html.html

Unicode Regular Expression Guidelines Unicode Technical Report #18: This document describes guidelines for how to adapt regular expression engines to use Unicode. http://www.unicode.org/unicode/reports/tr18/

Using Regular Expressions Good overview of regular expression operators, although some features described might not be available in your implementation. http://www.landings.com/_landings/pages/regex.html