LinkedIn Students - Discover career paths and land a job
rubular - A ruby based regular expression editor
LinkedIn - LinkedIn is a business-oriented social networking service, mainly used for professional networking.
RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.
Glassdoor - Glassdoor is a jobs and career marketplace.
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.