After installing this extension, go to http://regexcrossword.com/ and enjoy the extra functionality: * Load/Save Puzzles - you can copy/paste a textual representation of the current solution in order to resume it later. * Regex Validation - as soon as you complete a row/column, the corresponding regex clues are automatically validated and their status is shown in red or green. This also works for the newly introduced hexagonal puzzles. * Regex Explanation - syntax highlighting and link to the https://regexper.com website. * Player Puzzle List Filter - (only for authenticated users) - allows you to filter toggle between showing the entire puzzle list, or just the unsolved unambiguous puzzles available. The source code of this extension is available at: https://github.com/wolfascu/regex-crossword-goodies Have fun playing this awesome game!