RosettaCodeData/Task/Commatizing-numbers/Julia/commatizing-numbers.jl

30 lines
1.2 KiB
Julia

input = [
["pi=3.14159265358979323846264338327950288419716939937510582097494459231", " ", 5],
[raw"The author has two Z$100000000000000 Zimbabwe notes (100 trillion).", "."],
[raw"-in Aus$+1411.8millions"],
[raw"===US$0017440 millions=== (in 2000 dollars)"],
["123.e8000 is pretty big."],
["The land area of the earth is 57268900(29% of the surface) square miles."],
["Ain\'t no numbers in this here words, nohow, no way, Jose."],
["James was never known as 0000000007"],
["Arthur Eddington wrote: I believe there are 15747724136275002577605653961181555468044717914527116709366231425076185631031296 protons in the universe."],
[raw" $-140000±100 millions."],
["6/9/1946 was a good year for some."]]
function commatize(tst)
grouping = (length(tst) == 3) ? tst[3] : 3
sep = (length(tst) > 1) ? tst[2] : ","
rmend(s) = replace(s, Regex("$sep\\Z") =>"")
greg = Regex(".{$grouping}")
cins(str) = reverse(rmend(replace(reverse(str), greg => s -> s * sep)))
mat = match(Regex("(?<![eE\\/])([1-9]\\d{$grouping,})"), tst[1])
if mat != nothing
return replace(tst[1], mat.match => cins)
end
return tst[1]
end
for tst in input
println(commatize(tst))
end