GradeProof - Proofreading with Artificial Intelligence
rubular - A ruby based regular expression editor
Kibin - Professional Proofreading as a Service
RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.
eAngel Proofreading - Your guardian proofreading angel edits your emails and texts
RegEx Generator - RegEx Generator is a simple-to-use application that comes with the brilliance of intuitive regex and is also helping you out to test the regex.