RegEx Knife version 1.0.5 is available in the App Store. This version fixes a crashing bug that occurs when working with Regular Expressions containing 10 or more capture groups.
RegEx Knife version 1.0.4 is available in the App Store. This version fixes bugs that escaped my notice when developing RegEx Knife 1.0.3.
I see Script Debugger as a tool that makes professional developers money by saving them a lot of time. Those that really need Script Debugger know it and would pay much more because of this simple equation. In fact, if I had more courage I would raise the price even further.