REJEX MUSEUM SOFTWARE

REJEX MUSEUM SOFTWARE

Posted in Software Development Tagged crossword puzzle, puzzle, regular expressions Post navigation If you want to work a different kind of puzzle, you might look at our Omnibus. If you prefer your puzzles in hardware, that’s ok. Of course, this is a super simple puzzle, but the site has many more puzzles of increasing difficulty. So even though the second across clue says the lower left cell could be an A (in PLEASE), that would violate the down clue. The first down clue says the characters can’t be S, P, E, A, or K. The first across clue says that the two characters have to be an HE or an LL or one or more Os (two, then, in this case). The clues are regular expressions and the rows and columns all have to match the corresponding regular expressions.įor example, consider this puzzle (which is already filled out): Unless you try your hand at regular expression crosswords. But learning them for the first time can be tedious. If you’ve been using regular expressions for a long time, they aren’t very hard. Even if you don’t need them directly, regular expression searches can help you analyze source code, search through net lists, or even analyze data captured from sensors. Obviously, if you are writing software or using tools like grep, awk, sed, Perl, or just about any programming language, regular expressions can simplify many tasks. Regular expressions might seem arcane, but if you do any kind of software, they are a powerful hacker tool.

Rejex museum