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
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
In a regular expression, the dot matches any character except line breaks.| 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
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
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
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
Learn how to use regular expressions with Tcl’s regexp and regsub commands| 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
Learn how to use the regular expression classes that are part of the JDK 1.4 and later.| 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
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