Regular Expressions Cheat Sheets

.NET Regular expression cheat sheet and quick reference guide.

Cheat sheet for C# regular expressions metacharacters, operators, quantifiers etc

Regular Expressions in MySQL are used within the REGEXP and RLIKE sections of WHERE clauses in the selection of records for display, update or deletion. They use Henry Spencer's implementation, which is aimed at conformance with POSIX standard 1003.2, extended version.

Python Regular Expression Cheat Sheet and quick reference guide.

It seems that many people have a basic understanding of how a regular expressions works. Lots of people will ask me, and probably many of you, for help in writing regular expressions. A lot of these people have a basic idea of what they need when it is a simple regex. I would like to point those people towards a regular expression cheat sheet. Many people ask for regular expressions and can say what they are looking for in a regular expression. They will say something like:

Search & Replace has extensive support for Regular Expressions for advanced search &/or replace, where the search string follows a rule and is not always exactly the same. Regular Expressions use "special character operators," which are symbols that control the search, and "an expression," which is a combination of characters and operators that specifies a pattern. Regular Expressions can be used in replacements, they can be case sensitive, and they can use Binary Characters or special operators such as Counters, Insert Path & File Name, & environment variables.

Regular Expressions - Quick Reference Guide and Cheat Sheet

Regular Expressions Cheat Sheet and Quick Reference Guide.

After starting and stopping reading Mastering Regular Expressions a couple of times, I decided I needed a little refresher on the basics. So I made this:

Regular Expressions Cheat Sheet The Regular Expressions cheat sheet is a one-page reference sheet. It is a guide to patterns in regular expressions, and is not specific to any single language.

Regular expressions in Perl. This document presents a tabular summary of the regular expression (regexp) syntax in Perl, then illustrates it with a collection of annotated examples.

RegExLib.com Regular Expression Cheat Sheet and quick reference guide.

Scriptmonkeys Regular Expression Cheat Sheet (.NET)