Generate a matching regular expression from the test cases you provide
Best Tools For Regx
Browse 9 + Regx Tools

grex

CyrilEx Regex Tester
Cyrilex is a regular expression tester and visualizer

Regex Vis
🎨 Regex visualizer & editor

UI Bakery RegEx Library
A curated list of useful regular expressions for different programming languages.

regex:help!
An online tool to help you easily generate, test, and refine your regular expressions.
Rubular
a Ruby regular expression editor
Pythex
Pythex: a Python regular expression editor

regular expressions 101
Regex101.com is an interactive regular expression console that lets you debug your expressions in real-time.
REGEXPER
Regular Expression Visualization Site - Create a Diagrams from your regular expressions