Sha256: 5b8a87dfeea401af85b027d3177eb0bc6ec699ce6e20a0e87c00d05d338f373d
Contents?: true
Size: 378 Bytes
Versions: 200
Compression:
Stored size: 378 Bytes
Contents
function luhn(id::AbstractString)
id = split(replace(id, ' ', ""), "")
length(id) < 2 && return false
all(all(isdigit, s) for s in id) || return false
numbers = Int[]
for val in id
push!(numbers, parse(Int, val))
end
for i in length(numbers) - 1:-2:1
numbers[i] = (numbers[i] * 2) % 9
end
return sum(numbers) % 10 == 0
end
Version data entries
200 entries across 200 versions & 1 rubygems