Explanation of the regular expression flavor used by the XQuery and XPath functions fn:matches, fn:replace and fn:tokenize.| www.regular-expressions.info
Learn how to use regular expressions with Ruby and the Ruby Regexp class| www.regular-expressions.info
Non-Printable Characters| www.regular-expressions.info
Sample Regular Expressions| www.regular-expressions.info
How to Find or Validate an Email Address| www.regular-expressions.info
In a regular expression, square brackets are used to indicate character classes, which matches any of the characters in the character set.| www.regular-expressions.info
A list of popular tools, utilities and programming languages that provide support for regular expressions, and tips for using them| www.regular-expressions.info
In a regular expression, the asterisk or star causes the preceding token to be matched zero or more times, and the plus one or more times.| www.regular-expressions.info
The utility from the UNIX world, but now available on all platforms, including Windows, that first made regular expressions popular| www.regular-expressions.info
Understanding how a regex engine works internally enables you to craft better regular expressions by learning how to think like a regex engine.| www.regular-expressions.info
In a regular expression, the vertical bar or pipe symbol tells the regex engine to match any of two or more options| www.regular-expressions.info
Explanation how you can use regular expressions in Xojo (formerly REALbasic) with its built-in RegEx class| www.regular-expressions.info
Learn how to use PHP’s three sets of regular expression functions| www.regular-expressions.info
Delphi Regular Expressions Classes| www.regular-expressions.info
Named Capturing Groups and Backreferences| www.regular-expressions.info
Java Regular Expressions by Mehran Habibi (Apress)| www.regular-expressions.info
In a regular expression, the dot matches any character except line breaks.| www.regular-expressions.info
In a regular expression, parentheses can be used to group regex tokens together and for creating backreferences. Backreferences allow you to reuse part of the regex match in the regex, or in the replacement text.| www.regular-expressions.info
This tutorial teaches you how to create your own regular expressions, starting with the most basic regex concepts and ending with the most advanced and specialized capabilities.| www.regular-expressions.info
RegexBuddy is your perfect companion for working with regular expressions. Learning, creating, understanding, testing, using and saving regular expressions has never been easier.| www.regular-expressions.info
Add whitespace, line breaks and comments to clarify cryptic regular expressions| www.regular-expressions.info
Learn how to use the regular expression classes that are part of the Microsoft .NET (dot net) Framework, and can be readily used in any .NET programming language such as C# (C sharp) or Visual Basic.NET| www.regular-expressions.info
Regex support part of the standard C++ library defined in C++11 and previously in TR1| www.regular-expressions.info
The Perl programming language, originally designed for text-processing only, is the main cause for the popularity that regular expressions enjoy nowadays. Mainly because Perl’s regex engine introduced many new powerful features, and because regexes are part of the Perl syntax, and not an add-on library as with most other languages.| www.regular-expressions.info
Detailed description of the capabilities of the JavaScript RegExp Object, defined in the ECMA-262 standard.| www.regular-expressions.info
At Regular-Expressions.info you will find a wide range of in-depth information about a powerful search pattern language called regular expressions.| www.regular-expressions.info
Numbered Backreferences| www.regular-expressions.info
PCRE2 (Perl Compatible Regular Expressions v2) is an open source library written in C that allows developers to add regular expression support to their applications. The library is compatible with a great number of C compilers and operating systems.| www.regular-expressions.info
Specifying Modes Inside The Regular Expression| www.regular-expressions.info
In a regular expression, parentheses can be used to group regex tokens together and for creating backreferences. Backreferences allow you to reuse part of the regex match in the regex, or in the replacement text.| www.regular-expressions.info
Explanation of the regular expression flavor used in the XML Schema standard| www.regular-expressions.info
Learn how to use regular expressions with Tcl’s regexp and regsub commands| www.regular-expressions.info
In a regular expression, shorthand character classes match a single character from a predefined set of characters.| www.regular-expressions.info
PowerGREP is a powerful Windows grep tool for searching through files and folder, performing complex search and replace operations across a variety of files, and collecting information and statistics from files.| www.regular-expressions.info
In a regular expression, POSIX bracket expressions can be used to match one of a certain kind of characters.| www.regular-expressions.info
Explains the two regex flavors defined in the POSIX standard: Basic Regular Expressions and Extended Regular Expressions| www.regular-expressions.info
PCRE (Perl Compatible Regular Expressions) is an open source library written in C that allows developers to add regular expression support to their applications. The library is compatible with a great number of C compilers and operating systems.| www.regular-expressions.info
The Just Great Software regular expression engine provides a powerful blend of the most popular regular expression flavors| www.regular-expressions.info
Learn how to use the regular expression classes that are part of the JDK 1.4 and later.| www.regular-expressions.info
EditPad Pro is a convenient text editor which supports regular expressions in its powerful search and replace functionality. You can also create custom syntax coloring or highlighting schemes using regular expressions.| www.regular-expressions.info
Regex support part of the Boost C++ source library| www.regular-expressions.info
In a regular expression, the caret matches the concept “start of string”, while the dollar sign matches “end of string”| www.regular-expressions.info
Stay up-to-date with changes and new additions to the web’s premier site about regular expressions. Gives direct links to the relevant pages on the site.| www.regular-expressions.info
Use regular expressions with the grep, regexp and sub functions in the base package of the R Project| www.regular-expressions.info
In regular expressions, \b anchors the regex at a word boundary or the position between a word and a non-word character, or vice versa.| www.regular-expressions.info
Unicode Regular Expressions| www.regular-expressions.info
Test for a match, or test for failure, without actually consuming any characters.| www.regular-expressions.info