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GNU awk User's Guide - Regular Expressions
Documentation of the Regular Expression syntax used in GNU Awk.
Mastering Regular Expressions (Second Edition)
Book by Jeffrey Friedl. Includes table of contents, full index, an errata sheet.
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 express…
Programming in Emacs Lisp - Regular Expression Searches
Documentation of the Regular Expression syntax used in Emacs Lisp.
Regular Expression HOWTO
Detailed HowTo documentation about regular expressions usage in combination with the Phyton programming/scripting language.
Regular Expression Quick Reference
Tried and tested, single sheet quick reference card for regular expressions. [PDF file]
Regular Expressions - Single Unix Specification
Specification for regular expressions -- massive document, somewhat technical.
Regular Expressions HOWTO The Basics of REReplace REFind
By Pete Freitag. The basics of using regular expressions with ColdFusion's REFind, and REReplace functions.
Regular Expressions in ne (Nice Editor)
A description of the regular expression support in ne (Nice Editor).
Regular expressions in UNIX (Spring 1995)
Slightly inaccurate (mixes in glob patterns and calls them "shell regular expressions") but otherwise a good concise summary of plain vs extended regular expressions.
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 lik…
Regular Expressions Tutorial at Zvon
A tutorial with many examples which can be downloaded for off-line use.
Regular Expressions: An Introduction
An essential guide to one of the most useful tools in the web development: regular expressions.
Seeing With C - Regular Expressions
A writeup on regular expressions connecting the math. and the CS views to regular expressions.
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