Regex Team

10 RegEx Tester for JavaScript, Python, PHP, Golang, Ruby, etc.

Java RegEx: Part 6 — Group and Subgroup, by Sera Ng., Tech Training Space

Regex: The Essential Guide to Regular Expressions, by DP6 Team, DP6 US

How to Use DataWeave and Regular Expressions

Regex Tester - Visual Studio Marketplace

Tips for Using RegEx in Data Studio - ClickInsight

PyWeek - Team R.E.X.

The Regular Expression Denial of Service (ReDoS) cheat-sheet, by James Davis

Online Regular Expression Tester

Capturing groups