Regular expression syntax cheat sheet - JavaScript | MDN
Jan 8, 2026 · This page provides an overall cheat sheet of all the capabilities of RegExp syntax by aggregating the content of the articles in the RegExp guide. If you need more information on a …
Regular Expression Language - Quick Reference - .NET
Jun 18, 2022 · In this quick reference, learn to use regular expression patterns to match input text. A pattern has one or more character literals, operators, or constructs.
Regular expression - Wikipedia
The phrase regular expressions, or regexes, is often used to mean the specific, standard textual syntax for representing patterns for matching text, as distinct from the mathematical notation described below.
Regex Cheat Sheet - rexegg.com
Regular Expressions Syntax Reference. Includes tables showing syntax, examples and matches.
Regular Expressions Quick Reference
Jan 9, 2026 · Quick reference of the various syntactic elements that can appear in regular expressions
regex101: build, test, and debug regex
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
Regex Tutorial - How to write Regular Expressions
Dec 22, 2025 · Regex is supported in almost every programming language, including Python, Java, C++ and JavaScript. Below image shows an example of a regular expression and explains its parts, …
Regex Tutorial - A Cheatsheet with Examples - Regextutorial.org
Here is a quick tutorial for you to learn regular expressions, you can see the details about each individual topic also.
RegExr: Learn, Build, & Test RegEx
Menu RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp). Supports JavaScript & PHP/PCRE RegEx. Results update in real-time as you type. Roll over a match or …
Regex Cheat Sheet - techearl.com
Jan 5, 2025 · A quick start regex cheat sheet reference guide for regular expressions, including regex syntax, symbols, ranges, grouping, assertions, Unicode handling, and some practical examples.