"Regular expression crossword" not an ordinary puzzle has appeared on the BBC radio

Based on the hints of the text based on the hint portion of "cross word puzzle" that fills the mass by applying words to the square crossed to Hayo YokoRegular expressionIt is "Regular Expression CrosswordWhat appeared on BBC Radio's "Puzzle for Today" (Today's Puzzle).

BBC Radio 4 - Today - Puzzle for Today
http://www.bbc.co.uk/programmes/articles/5LCB3rN2dWLqsmGMy5KYtBf/puzzle-for-today

This is the puzzle of today's July 5, 2017. Although it is a crossword puzzle, the hint for filling the square is a regular expression, at first glance it looks like a cipher.


For example, the description of line 0 is "[^ XZVCHFJLQM] +". In the regular expression rule, "^"Other than", "[]"Arbitrary character", "+"Means" repeating the previous character ", the meaning of the 0th line is that" insert any alphabet other than X, Z, V, C, H, F, J, L, Q, M " It becomes a hint.


The description in the Nth column is "[VIMZJ] {3} \ - \ s"so,"{}"Repeats the previous pattern by the number of times,"\ -"Treats regular expression symbols as ordinary characters,"\ S"Means" blank ", which means" After inserting three letters of V, I, M, Z, J, - and space are added ".


Combining the above 0th row and Nth column, "N 0" contains "any character of V · I · M · Z · J" and "X · Z · V · C · H · F · J · "L", "Q", "M" other than "letters" I will be entered. Similarly, if the Nth column and the first and subsequent rows are combined, the Nth column is "I · M · I · - · Blank"Will be.


Try challenging people who said that ordinary crossword puzzles are unraveling and getting tired, or those who love regexp.