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    The Chess Move Validation hole will go live in approximately . Why not try and solve it ahead of time?

    gallium-gonzollium

    17,037
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    Regex is your best friend in Code Golf.

    23 / 133 Holes

    🔣

    1 / 65 Langs

    🏆

    18 / 116 Cheevos

    📅

    99 Bottles of Beer
    683
    Abundant Numbers
    657
    Abundant Numbers (Long)
    780
    Arabic to Roman
    511
    Catalan Numbers
    870
    Collatz
    789
    CSS Colors
    571
    Day of Week
    779
    Divisors
    872
    Evil Numbers
    726
    Evil Numbers (Long)
    712
    Factorial Factorisation
    430
    Fizz Buzz
    941
    Foo Fizz Buzz Bar
    904
    Niven Numbers
    740
    Niven Numbers (Long)
    806
    Odious Numbers
    781
    Odious Numbers (Long)
    763
    Pangram Grep
    830
    Prime Numbers
    603
    Prime Numbers (Long)
    638
    Quine
    945
    Seven Segment
    706