Yes I know, there are many other JavaScript regex testers available. Why did I create yet another? RegexPal brings several new things to the table for such web-based apps, and in my (biased) opinion it's easier to use and more helpful towards learning regular expressions than the others currently available. Additionally, most other such ...

I have recently written an extended JavaScript regular expression constructor which I’ve called XRegExp. This script is very small (the minified version weighs in at 937 bytes), and it adds support for two simple but powerful additional flags beyond those JavaScript supports natively: s – Dot matches all (a.k.a., single-line) ...