RosettaCodeData/Task/Determine-if-a-string-is-numeric/Pluto/determine-if-a-string-is-numeric.pluto

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2025-08-11 18:05:26 -07:00
function chk(a)
return tonumber(a) != nil
end
a = {"123", "-320",
"-1342.40", "abc",
"1,234", "a123.0"}
a:map(chk); print(a:unpack())