The Card Number Validation hole will go live in . Why not try and solve it ahead of time?

alphafalfa

26,624
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26,383
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🥉4

IT guy with exploratory nerding.

⛳

48 / 108 Holes

🔣

12 / 58 Langs

🏆

23 / 75 Cheevos

📅

Leap Years in AWK in Bytes Play Hole

16th in AWK and 1,609th overall.

Last tested .

Bytes Chars Submitted
53 53
55 55
63 63
74 74
78 78
89 89
108 108
109 109
114 114
118 118
126 126
133 133