Lunchclub - Curated 1:1 professional connections
rubular - A ruby based regular expression editor
Serendipity - Serendipity is a PHP-powered weblog engine which gives the user an easy way to maintain a blog.
RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.
Coworker Coffee - Coffee with a different coworker each week
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.