Pending release
Freshened up design
Multiline regular expression input field (press Shift-Enter to render)
Added a changelog
Added documentation
All parsing and rendering happens client-side
Added Download link (not available in older browsers)
Added display of regular expression flags (ignore, global, multiline)
Added indicator of quantifier greedy-ness
Various improvements to parsing of regular expression
Rendering of a regular expression can be canceled by pressing Escape