- 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?
Here's how to write regular expressions: Start by understanding the special characters used in regex, such as " ", "*", "+", "?", and more Choose a programming language or tool that supports regex, such as Python, Perl, or grep Write your pattern using the special characters and literal characters
- Regular Expression Language - Quick Reference - . NET
You can specify options that control how the regular expression engine interprets a regular expression pattern Many of these options can be specified either inline (in the regular expression pattern) or as one or more RegexOptions constants
- Regular expression syntax cheat sheet - JavaScript | MDN
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 specific topic, please follow the link on the corresponding heading to access the full article or head to the guide
- RegExr: Learn, Build, Test RegEx
Regular expression tester with syntax highlighting, PHP PCRE JS Support, contextual help, cheat sheet, reference, and searchable community patterns
- JavaScript RegExp Patterns - W3Schools
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more
- Regex Cheat Sheet - rexegg. com
If you are a complete beginner, you should get a firm grasp of basic regex syntax just by reading the examples in the tables I tried to introduce features in a logical order and to keep out oddities that I've never seen in actual use, such as the "bell character"
- RegexOne - Lesson 1: An Introduction, and the ABCs
To continue to the next lesson, you will need to use the new syntax and concept introduced in each lesson to write a pattern that matches all the lines provided
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