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Incremental regexp

Introduction

This package is not meant to replace Javascript's regular expression capability. Its purpose is to support some special cases that I have not found in any RegExp library. You can see the demo here. I guarantee, that the demo will not mess up you browser, show any advertising or any other obnoxious stuff.

• Note: The demo is a good way to try out your own regular expression and to learn about regular expression matching

JavaScript has a very fast robust Regular Expression capability. Indeed it is so useful and fast it is used in most string processing applications, parsers... Using regular expressions is usually much faster than iterative character by character processing. Secondly it is quite challenging to build a robust regular expression package. So what foolishness inspired me to build a regular expression parser in JavaScript and why would anybody want to use this. Firstly, this is not intended to be a replacement for JavaScript RegExp. The primary purpose of this package is to do input validation (as you type). As far as I can see, the standard JavaScript